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Finding the Fourth Proportional to 462,500.80, 693,469.60 and 181,681.60

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Solution

The fourth proportional to 462,500.80, 693,469.60 and 181,681.60 is: 272,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,500.80 : 693,469.60 = 181,681.60 : x
  2. Step 2: Convert to fraction form
    462,500.80/693,469.60 = 181,681.60/x
  3. Step 3: Cross multiply
    462,500.80x = 693,469.60 × 181,681.60
  4. Step 4: Simplify right side
    462,500.80x = 125,990,666,479.36
  5. Step 5: Solve for x
    x = 125,990,666,479.36/462,500.80
  6. Step 6: Final answer
    x = 272,411.78

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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.