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Finding the Fourth Proportional to 544,500.80, 816,095.10 and 278,124.20

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Solution

The fourth proportional to 544,500.80, 816,095.10 and 278,124.20 is: 416,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,500.80 : 816,095.10 = 278,124.20 : x
  2. Step 2: Convert to fraction form
    544,500.80/816,095.10 = 278,124.20/x
  3. Step 3: Cross multiply
    544,500.80x = 816,095.10 × 278,124.20
  4. Step 4: Simplify right side
    544,500.80x = 226,975,796,811.42
  5. Step 5: Solve for x
    x = 226,975,796,811.42/544,500.80
  6. Step 6: Final answer
    x = 416,851.17

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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.