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Finding the Fourth Proportional to 366,264.60, 548,740.80 and 225,859.20

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Solution

The fourth proportional to 366,264.60, 548,740.80 and 225,859.20 is: 338,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,264.60 : 548,740.80 = 225,859.20 : x
  2. Step 2: Convert to fraction form
    366,264.60/548,740.80 = 225,859.20/x
  3. Step 3: Cross multiply
    366,264.60x = 548,740.80 × 225,859.20
  4. Step 4: Simplify right side
    366,264.60x = 123,938,158,095.36
  5. Step 5: Solve for x
    x = 123,938,158,095.36/366,264.60
  6. Step 6: Final answer
    x = 338,384.21

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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.