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Finding the Fourth Proportional to 435,057.56, 651,813.86 and 181,780.48

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Solution

The fourth proportional to 435,057.56, 651,813.86 and 181,780.48 is: 272,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,057.56 : 651,813.86 = 181,780.48 : x
  2. Step 2: Convert to fraction form
    435,057.56/651,813.86 = 181,780.48/x
  3. Step 3: Cross multiply
    435,057.56x = 651,813.86 × 181,780.48
  4. Step 4: Simplify right side
    435,057.56x = 118,487,036,341.45
  5. Step 5: Solve for x
    x = 118,487,036,341.45/435,057.56
  6. Step 6: Final answer
    x = 272,347.95

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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.