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Finding the Fourth Proportional to 662,751.54, 914,542.74 and 372,347.10

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Solution

The fourth proportional to 662,751.54, 914,542.74 and 372,347.10 is: 513,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,751.54 : 914,542.74 = 372,347.10 : x
  2. Step 2: Convert to fraction form
    662,751.54/914,542.74 = 372,347.10/x
  3. Step 3: Cross multiply
    662,751.54x = 914,542.74 × 372,347.10
  4. Step 4: Simplify right side
    662,751.54x = 340,527,337,065.05
  5. Step 5: Solve for x
    x = 340,527,337,065.05/662,751.54
  6. Step 6: Final answer
    x = 513,808.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.