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Finding the Fourth Proportional to 587,618.40, 881,427.60 and 536,008.80

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Solution

The fourth proportional to 587,618.40, 881,427.60 and 536,008.80 is: 804,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,618.40 : 881,427.60 = 536,008.80 : x
  2. Step 2: Convert to fraction form
    587,618.40/881,427.60 = 536,008.80/x
  3. Step 3: Cross multiply
    587,618.40x = 881,427.60 × 536,008.80
  4. Step 4: Simplify right side
    587,618.40x = 472,452,950,162.88
  5. Step 5: Solve for x
    x = 472,452,950,162.88/587,618.40
  6. Step 6: Final answer
    x = 804,013.20

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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.