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Finding the Fourth Proportional to 1,867,602.70, 2,801,404.05 and 1,601,882.20

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Solution

The fourth proportional to 1,867,602.70, 2,801,404.05 and 1,601,882.20 is: 2,402,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,602.70 : 2,801,404.05 = 1,601,882.20 : x
  2. Step 2: Convert to fraction form
    1,867,602.70/2,801,404.05 = 1,601,882.20/x
  3. Step 3: Cross multiply
    1,867,602.70x = 2,801,404.05 × 1,601,882.20
  4. Step 4: Simplify right side
    1,867,602.70x = 4,487,519,282,702.91
  5. Step 5: Solve for x
    x = 4,487,519,282,702.91/1,867,602.70
  6. Step 6: Final answer
    x = 2,402,823.30

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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.