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Finding the Fourth Proportional to 584,429.70, 876,644.55 and 374,477.70

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Solution

The fourth proportional to 584,429.70, 876,644.55 and 374,477.70 is: 561,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,429.70 : 876,644.55 = 374,477.70 : x
  2. Step 2: Convert to fraction form
    584,429.70/876,644.55 = 374,477.70/x
  3. Step 3: Cross multiply
    584,429.70x = 876,644.55 × 374,477.70
  4. Step 4: Simplify right side
    584,429.70x = 328,283,834,801.54
  5. Step 5: Solve for x
    x = 328,283,834,801.54/584,429.70
  6. Step 6: Final answer
    x = 561,716.55

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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.