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Finding the Fourth Proportional to 426,603.92, 588,663.05 and 235,605.92

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Solution

The fourth proportional to 426,603.92, 588,663.05 and 235,605.92 is: 325,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,603.92 : 588,663.05 = 235,605.92 : x
  2. Step 2: Convert to fraction form
    426,603.92/588,663.05 = 235,605.92/x
  3. Step 3: Cross multiply
    426,603.92x = 588,663.05 × 235,605.92
  4. Step 4: Simplify right side
    426,603.92x = 138,692,495,343.91
  5. Step 5: Solve for x
    x = 138,692,495,343.91/426,603.92
  6. Step 6: Final answer
    x = 325,108.35

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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.