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Finding the Fourth Proportional to 662,513.69, 914,291.37 and 372,176.48

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Solution

The fourth proportional to 662,513.69, 914,291.37 and 372,176.48 is: 513,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,513.69 : 914,291.37 = 372,176.48 : x
  2. Step 2: Convert to fraction form
    662,513.69/914,291.37 = 372,176.48/x
  3. Step 3: Cross multiply
    662,513.69x = 914,291.37 × 372,176.48
  4. Step 4: Simplify right side
    662,513.69x = 340,277,739,209.52
  5. Step 5: Solve for x
    x = 340,277,739,209.52/662,513.69
  6. Step 6: Final answer
    x = 513,616.17

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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.