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Finding the Fourth Proportional to 650,621.29, 897,885.45 and 360,232.86

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Solution

The fourth proportional to 650,621.29, 897,885.45 and 360,232.86 is: 497,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,621.29 : 897,885.45 = 360,232.86 : x
  2. Step 2: Convert to fraction form
    650,621.29/897,885.45 = 360,232.86/x
  3. Step 3: Cross multiply
    650,621.29x = 897,885.45 × 360,232.86
  4. Step 4: Simplify right side
    650,621.29x = 323,447,843,605.89
  5. Step 5: Solve for x
    x = 323,447,843,605.89/650,621.29
  6. Step 6: Final answer
    x = 497,136.89

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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.