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Finding the Fourth Proportional to 429,374.60, 592,509.52 and 238,387.92

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Solution

The fourth proportional to 429,374.60, 592,509.52 and 238,387.92 is: 328,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,374.60 : 592,509.52 = 238,387.92 : x
  2. Step 2: Convert to fraction form
    429,374.60/592,509.52 = 238,387.92/x
  3. Step 3: Cross multiply
    429,374.60x = 592,509.52 × 238,387.92
  4. Step 4: Simplify right side
    429,374.60x = 141,247,112,053.00
  5. Step 5: Solve for x
    x = 141,247,112,053.00/429,374.60
  6. Step 6: Final answer
    x = 328,960.10

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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.