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Finding the Fourth Proportional to 598,841.20, 898,261.80 and 386,264.80

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Solution

The fourth proportional to 598,841.20, 898,261.80 and 386,264.80 is: 579,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,841.20 : 898,261.80 = 386,264.80 : x
  2. Step 2: Convert to fraction form
    598,841.20/898,261.80 = 386,264.80/x
  3. Step 3: Cross multiply
    598,841.20x = 898,261.80 × 386,264.80
  4. Step 4: Simplify right side
    598,841.20x = 346,966,914,524.64
  5. Step 5: Solve for x
    x = 346,966,914,524.64/598,841.20
  6. Step 6: Final answer
    x = 579,397.20

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Double scale
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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.