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Finding the Fourth Proportional to 429,068.60, 592,115.64 and 238,082.48

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Solution

The fourth proportional to 429,068.60, 592,115.64 and 238,082.48 is: 328,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,068.60 : 592,115.64 = 238,082.48 : x
  2. Step 2: Convert to fraction form
    429,068.60/592,115.64 = 238,082.48/x
  3. Step 3: Cross multiply
    429,068.60x = 592,115.64 × 238,082.48
  4. Step 4: Simplify right side
    429,068.60x = 140,972,360,017.99
  5. Step 5: Solve for x
    x = 140,972,360,017.99/429,068.60
  6. Step 6: Final answer
    x = 328,554.36

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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.