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Finding the Fourth Proportional to 415,785.53, 573,931.50 and 246,019.25

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Solution

The fourth proportional to 415,785.53, 573,931.50 and 246,019.25 is: 339,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,785.53 : 573,931.50 = 246,019.25 : x
  2. Step 2: Convert to fraction form
    415,785.53/573,931.50 = 246,019.25/x
  3. Step 3: Cross multiply
    415,785.53x = 573,931.50 × 246,019.25
  4. Step 4: Simplify right side
    415,785.53x = 141,198,197,181.38
  5. Step 5: Solve for x
    x = 141,198,197,181.38/415,785.53
  6. Step 6: Final answer
    x = 339,593.82

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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.