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Finding the Fourth Proportional to 429,126.75, 592,174.95 and 238,138.47

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Solution

The fourth proportional to 429,126.75, 592,174.95 and 238,138.47 is: 328,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,126.75 : 592,174.95 = 238,138.47 : x
  2. Step 2: Convert to fraction form
    429,126.75/592,174.95 = 238,138.47/x
  3. Step 3: Cross multiply
    429,126.75x = 592,174.95 × 238,138.47
  4. Step 4: Simplify right side
    429,126.75x = 141,019,636,565.33
  5. Step 5: Solve for x
    x = 141,019,636,565.33/429,126.75
  6. Step 6: Final answer
    x = 328,620.01

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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.