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Finding the Fourth Proportional to 429,492.15, 592,726.59 and 238,505.54

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Solution

The fourth proportional to 429,492.15, 592,726.59 and 238,505.54 is: 329,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,492.15 : 592,726.59 = 238,505.54 : x
  2. Step 2: Convert to fraction form
    429,492.15/592,726.59 = 238,505.54/x
  3. Step 3: Cross multiply
    429,492.15x = 592,726.59 × 238,505.54
  4. Step 4: Simplify right side
    429,492.15x = 141,368,572,456.68
  5. Step 5: Solve for x
    x = 141,368,572,456.68/429,492.15
  6. Step 6: Final answer
    x = 329,152.87

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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.