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Finding the Fourth Proportional to 415,601.91, 573,496.07 and 234,358.54

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Solution

The fourth proportional to 415,601.91, 573,496.07 and 234,358.54 is: 323,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,601.91 : 573,496.07 = 234,358.54 : x
  2. Step 2: Convert to fraction form
    415,601.91/573,496.07 = 234,358.54/x
  3. Step 3: Cross multiply
    415,601.91x = 573,496.07 × 234,358.54
  4. Step 4: Simplify right side
    415,601.91x = 134,403,699,055.41
  5. Step 5: Solve for x
    x = 134,403,699,055.41/415,601.91
  6. Step 6: Final answer
    x = 323,395.29

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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.