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Finding the Fourth Proportional to 429,468.70, 592,667.87 and 238,482.07

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Solution

The fourth proportional to 429,468.70, 592,667.87 and 238,482.07 is: 329,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,468.70 : 592,667.87 = 238,482.07 : x
  2. Step 2: Convert to fraction form
    429,468.70/592,667.87 = 238,482.07/x
  3. Step 3: Cross multiply
    429,468.70x = 592,667.87 × 238,482.07
  4. Step 4: Simplify right side
    429,468.70x = 141,340,660,460.09
  5. Step 5: Solve for x
    x = 141,340,660,460.09/429,468.70
  6. Step 6: Final answer
    x = 329,105.85

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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.