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Finding the Fourth Proportional to 657,191.52, 906,951.86 and 370,711.52

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Solution

The fourth proportional to 657,191.52, 906,951.86 and 370,711.52 is: 511,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,191.52 : 906,951.86 = 370,711.52 : x
  2. Step 2: Convert to fraction form
    657,191.52/906,951.86 = 370,711.52/x
  3. Step 3: Cross multiply
    657,191.52x = 906,951.86 × 370,711.52
  4. Step 4: Simplify right side
    657,191.52x = 336,217,502,587.43
  5. Step 5: Solve for x
    x = 336,217,502,587.43/657,191.52
  6. Step 6: Final answer
    x = 511,597.45

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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.