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Finding the Fourth Proportional to 415,999.77, 574,030.32 and 234,701.13

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Solution

The fourth proportional to 415,999.77, 574,030.32 and 234,701.13 is: 323,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,999.77 : 574,030.32 = 234,701.13 : x
  2. Step 2: Convert to fraction form
    415,999.77/574,030.32 = 234,701.13/x
  3. Step 3: Cross multiply
    415,999.77x = 574,030.32 × 234,701.13
  4. Step 4: Simplify right side
    415,999.77x = 134,725,564,758.26
  5. Step 5: Solve for x
    x = 134,725,564,758.26/415,999.77
  6. Step 6: Final answer
    x = 323,859.71

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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.