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Finding the Fourth Proportional to 429,691.52, 592,973.88 and 238,722.80

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Solution

The fourth proportional to 429,691.52, 592,973.88 and 238,722.80 is: 329,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,691.52 : 592,973.88 = 238,722.80 : x
  2. Step 2: Convert to fraction form
    429,691.52/592,973.88 = 238,722.80/x
  3. Step 3: Cross multiply
    429,691.52x = 592,973.88 × 238,722.80
  4. Step 4: Simplify right side
    429,691.52x = 141,556,384,960.46
  5. Step 5: Solve for x
    x = 141,556,384,960.46/429,691.52
  6. Step 6: Final answer
    x = 329,437.23

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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.