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Finding the Fourth Proportional to 584,429.90, 876,644.85 and 451,569.65

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Solution

The fourth proportional to 584,429.90, 876,644.85 and 451,569.65 is: 677,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,429.90 : 876,644.85 = 451,569.65 : x
  2. Step 2: Convert to fraction form
    584,429.90/876,644.85 = 451,569.65/x
  3. Step 3: Cross multiply
    584,429.90x = 876,644.85 × 451,569.65
  4. Step 4: Simplify right side
    584,429.90x = 395,866,208,088.80
  5. Step 5: Solve for x
    x = 395,866,208,088.80/584,429.90
  6. Step 6: Final answer
    x = 677,354.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.