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Finding the Fourth Proportional to 581,626.63, 801,677.41 and 400,031.11

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Solution

The fourth proportional to 581,626.63, 801,677.41 and 400,031.11 is: 551,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,626.63 : 801,677.41 = 400,031.11 : x
  2. Step 2: Convert to fraction form
    581,626.63/801,677.41 = 400,031.11/x
  3. Step 3: Cross multiply
    581,626.63x = 801,677.41 × 400,031.11
  4. Step 4: Simplify right side
    581,626.63x = 320,695,904,184.23
  5. Step 5: Solve for x
    x = 320,695,904,184.23/581,626.63
  6. Step 6: Final answer
    x = 551,377.62

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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.