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Finding the Fourth Proportional to 357,755.38, 536,879.10 and 147,393.32

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Solution

The fourth proportional to 357,755.38, 536,879.10 and 147,393.32 is: 221,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,755.38 : 536,879.10 = 147,393.32 : x
  2. Step 2: Convert to fraction form
    357,755.38/536,879.10 = 147,393.32/x
  3. Step 3: Cross multiply
    357,755.38x = 536,879.10 × 147,393.32
  4. Step 4: Simplify right side
    357,755.38x = 79,132,392,987.61
  5. Step 5: Solve for x
    x = 79,132,392,987.61/357,755.38
  6. Step 6: Final answer
    x = 221,191.34

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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.