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Finding the Fourth Proportional to 657,649.60, 986,474.40 and 584,166.40

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Solution

The fourth proportional to 657,649.60, 986,474.40 and 584,166.40 is: 876,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,649.60 : 986,474.40 = 584,166.40 : x
  2. Step 2: Convert to fraction form
    657,649.60/986,474.40 = 584,166.40/x
  3. Step 3: Cross multiply
    657,649.60x = 986,474.40 × 584,166.40
  4. Step 4: Simplify right side
    657,649.60x = 576,265,198,940.16
  5. Step 5: Solve for x
    x = 576,265,198,940.16/657,649.60
  6. Step 6: Final answer
    x = 876,249.60

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Similar ratio
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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.