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Finding the Fourth Proportional to 544,053.30, 815,095.80 and 465,321.30

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Solution

The fourth proportional to 544,053.30, 815,095.80 and 465,321.30 is: 697,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,053.30 : 815,095.80 = 465,321.30 : x
  2. Step 2: Convert to fraction form
    544,053.30/815,095.80 = 465,321.30/x
  3. Step 3: Cross multiply
    544,053.30x = 815,095.80 × 465,321.30
  4. Step 4: Simplify right side
    544,053.30x = 379,281,437,280.54
  5. Step 5: Solve for x
    x = 379,281,437,280.54/544,053.30
  6. Step 6: Final answer
    x = 697,140.22

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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.