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Finding the Fourth Proportional to 415,187.83, 572,960.96 and 233,901.93

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Solution

The fourth proportional to 415,187.83, 572,960.96 and 233,901.93 is: 322,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,187.83 : 572,960.96 = 233,901.93 : x
  2. Step 2: Convert to fraction form
    415,187.83/572,960.96 = 233,901.93/x
  3. Step 3: Cross multiply
    415,187.83x = 572,960.96 × 233,901.93
  4. Step 4: Simplify right side
    415,187.83x = 134,016,674,358.65
  5. Step 5: Solve for x
    x = 134,016,674,358.65/415,187.83
  6. Step 6: Final answer
    x = 322,785.65

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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.