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Finding the Fourth Proportional to 337,511.10, 506,272.65 and 100,856.70

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Solution

The fourth proportional to 337,511.10, 506,272.65 and 100,856.70 is: 151,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,511.10 : 506,272.65 = 100,856.70 : x
  2. Step 2: Convert to fraction form
    337,511.10/506,272.65 = 100,856.70/x
  3. Step 3: Cross multiply
    337,511.10x = 506,272.65 × 100,856.70
  4. Step 4: Simplify right side
    337,511.10x = 51,060,988,779.26
  5. Step 5: Solve for x
    x = 51,060,988,779.26/337,511.10
  6. Step 6: Final answer
    x = 151,286.84

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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.