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Finding the Fourth Proportional to 429,545.60, 592,774.30 and 238,558.98

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Solution

The fourth proportional to 429,545.60, 592,774.30 and 238,558.98 is: 329,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,545.60 : 592,774.30 = 238,558.98 : x
  2. Step 2: Convert to fraction form
    429,545.60/592,774.30 = 238,558.98/x
  3. Step 3: Cross multiply
    429,545.60x = 592,774.30 × 238,558.98
  4. Step 4: Simplify right side
    429,545.60x = 141,411,632,676.41
  5. Step 5: Solve for x
    x = 141,411,632,676.41/429,545.60
  6. Step 6: Final answer
    x = 329,212.16

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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.