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Finding the Fourth Proportional to 584,601.80, 876,837.90 and 163,920.20

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Solution

The fourth proportional to 584,601.80, 876,837.90 and 163,920.20 is: 245,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,601.80 : 876,837.90 = 163,920.20 : x
  2. Step 2: Convert to fraction form
    584,601.80/876,837.90 = 163,920.20/x
  3. Step 3: Cross multiply
    584,601.80x = 876,837.90 × 163,920.20
  4. Step 4: Simplify right side
    584,601.80x = 143,731,443,935.58
  5. Step 5: Solve for x
    x = 143,731,443,935.58/584,601.80
  6. Step 6: Final answer
    x = 245,862.13

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Double scale
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Similar ratio
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1.5x scale

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.