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Finding the Fourth Proportional to 556,255.46, 834,416.40 and 156,930.32

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Solution

The fourth proportional to 556,255.46, 834,416.40 and 156,930.32 is: 235,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,255.46 : 834,416.40 = 156,930.32 : x
  2. Step 2: Convert to fraction form
    556,255.46/834,416.40 = 156,930.32/x
  3. Step 3: Cross multiply
    556,255.46x = 834,416.40 × 156,930.32
  4. Step 4: Simplify right side
    556,255.46x = 130,945,232,665.25
  5. Step 5: Solve for x
    x = 130,945,232,665.25/556,255.46
  6. Step 6: Final answer
    x = 235,404.85

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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.