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Finding the Fourth Proportional to 429,372.60, 592,506.76 and 238,385.92

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Solution

The fourth proportional to 429,372.60, 592,506.76 and 238,385.92 is: 328,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,372.60 : 592,506.76 = 238,385.92 : x
  2. Step 2: Convert to fraction form
    429,372.60/592,506.76 = 238,385.92/x
  3. Step 3: Cross multiply
    429,372.60x = 592,506.76 × 238,385.92
  4. Step 4: Simplify right side
    429,372.60x = 141,245,269,088.82
  5. Step 5: Solve for x
    x = 141,245,269,088.82/429,372.60
  6. Step 6: Final answer
    x = 328,957.34

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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.