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Finding the Fourth Proportional to 357,561.52, 536,333.96 and 180,020.86

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Solution

The fourth proportional to 357,561.52, 536,333.96 and 180,020.86 is: 270,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,561.52 : 536,333.96 = 180,020.86 : x
  2. Step 2: Convert to fraction form
    357,561.52/536,333.96 = 180,020.86/x
  3. Step 3: Cross multiply
    357,561.52x = 536,333.96 × 180,020.86
  4. Step 4: Simplify right side
    357,561.52x = 96,551,300,726.41
  5. Step 5: Solve for x
    x = 96,551,300,726.41/357,561.52
  6. Step 6: Final answer
    x = 270,027.10

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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.