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Finding the Fourth Proportional to 906,403.10, 1,359,605 and 232,484.42

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Solution

The fourth proportional to 906,403.10, 1,359,605 and 232,484.42 is: 348,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,403.10 : 1,359,605 = 232,484.42 : x
  2. Step 2: Convert to fraction form
    906,403.10/1,359,605 = 232,484.42/x
  3. Step 3: Cross multiply
    906,403.10x = 1,359,605 × 232,484.42
  4. Step 4: Simplify right side
    906,403.10x = 316,086,979,854.10
  5. Step 5: Solve for x
    x = 316,086,979,854.10/906,403.10
  6. Step 6: Final answer
    x = 348,726.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.