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Finding the Fourth Proportional to 556,254.46, 834,414.90 and 156,929.32

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Solution

The fourth proportional to 556,254.46, 834,414.90 and 156,929.32 is: 235,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,254.46 : 834,414.90 = 156,929.32 : x
  2. Step 2: Convert to fraction form
    556,254.46/834,414.90 = 156,929.32/x
  3. Step 3: Cross multiply
    556,254.46x = 834,414.90 × 156,929.32
  4. Step 4: Simplify right side
    556,254.46x = 130,944,162,854.87
  5. Step 5: Solve for x
    x = 130,944,162,854.87/556,254.46
  6. Step 6: Final answer
    x = 235,403.35

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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.