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Finding the Fourth Proportional to 461,705.94, 637,419.24 and 351,948.78

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Solution

The fourth proportional to 461,705.94, 637,419.24 and 351,948.78 is: 485,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,705.94 : 637,419.24 = 351,948.78 : x
  2. Step 2: Convert to fraction form
    461,705.94/637,419.24 = 351,948.78/x
  3. Step 3: Cross multiply
    461,705.94x = 637,419.24 × 351,948.78
  4. Step 4: Simplify right side
    461,705.94x = 224,338,923,866.53
  5. Step 5: Solve for x
    x = 224,338,923,866.53/461,705.94
  6. Step 6: Final answer
    x = 485,891.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.