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Finding the Fourth Proportional to 415,356.53, 573,192.52 and 224,369.92

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Solution

The fourth proportional to 415,356.53, 573,192.52 and 224,369.92 is: 309,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,356.53 : 573,192.52 = 224,369.92 : x
  2. Step 2: Convert to fraction form
    415,356.53/573,192.52 = 224,369.92/x
  3. Step 3: Cross multiply
    415,356.53x = 573,192.52 × 224,369.92
  4. Step 4: Simplify right side
    415,356.53x = 128,607,160,417.92
  5. Step 5: Solve for x
    x = 128,607,160,417.92/415,356.53
  6. Step 6: Final answer
    x = 309,630.77

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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.