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Finding the Fourth Proportional to 611,886.96, 917,691.84 and 232,672.50

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Solution

The fourth proportional to 611,886.96, 917,691.84 and 232,672.50 is: 348,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,886.96 : 917,691.84 = 232,672.50 : x
  2. Step 2: Convert to fraction form
    611,886.96/917,691.84 = 232,672.50/x
  3. Step 3: Cross multiply
    611,886.96x = 917,691.84 × 232,672.50
  4. Step 4: Simplify right side
    611,886.96x = 213,521,654,642.40
  5. Step 5: Solve for x
    x = 213,521,654,642.40/611,886.96
  6. Step 6: Final answer
    x = 348,956.05

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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.