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Finding the Fourth Proportional to 584,429.30, 876,643.95 and 548,999.90

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Solution

The fourth proportional to 584,429.30, 876,643.95 and 548,999.90 is: 823,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,429.30 : 876,643.95 = 548,999.90 : x
  2. Step 2: Convert to fraction form
    584,429.30/876,643.95 = 548,999.90/x
  3. Step 3: Cross multiply
    584,429.30x = 876,643.95 × 548,999.90
  4. Step 4: Simplify right side
    584,429.30x = 481,277,440,885.61
  5. Step 5: Solve for x
    x = 481,277,440,885.61/584,429.30
  6. Step 6: Final answer
    x = 823,499.85

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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.