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Finding the Fourth Proportional to 429,354.64, 592,520.70 and 238,376.08

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Solution

The fourth proportional to 429,354.64, 592,520.70 and 238,376.08 is: 328,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,354.64 : 592,520.70 = 238,376.08 : x
  2. Step 2: Convert to fraction form
    429,354.64/592,520.70 = 238,376.08/x
  3. Step 3: Cross multiply
    429,354.64x = 592,520.70 × 238,376.08
  4. Step 4: Simplify right side
    429,354.64x = 141,242,761,784.86
  5. Step 5: Solve for x
    x = 141,242,761,784.86/429,354.64
  6. Step 6: Final answer
    x = 328,965.26

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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.