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Finding the Fourth Proportional to 429,165.44, 592,240.92 and 238,186.88

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Solution

The fourth proportional to 429,165.44, 592,240.92 and 238,186.88 is: 328,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,165.44 : 592,240.92 = 238,186.88 : x
  2. Step 2: Convert to fraction form
    429,165.44/592,240.92 = 238,186.88/x
  3. Step 3: Cross multiply
    429,165.44x = 592,240.92 × 238,186.88
  4. Step 4: Simplify right side
    429,165.44x = 141,064,016,943.13
  5. Step 5: Solve for x
    x = 141,064,016,943.13/429,165.44
  6. Step 6: Final answer
    x = 328,693.79

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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.