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Finding the Fourth Proportional to 556,508.76, 834,798.06 and 157,180.80

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Solution

The fourth proportional to 556,508.76, 834,798.06 and 157,180.80 is: 235,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,508.76 : 834,798.06 = 157,180.80 : x
  2. Step 2: Convert to fraction form
    556,508.76/834,798.06 = 157,180.80/x
  3. Step 3: Cross multiply
    556,508.76x = 834,798.06 × 157,180.80
  4. Step 4: Simplify right side
    556,508.76x = 131,214,226,909.25
  5. Step 5: Solve for x
    x = 131,214,226,909.25/556,508.76
  6. Step 6: Final answer
    x = 235,781.06

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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.