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Finding the Fourth Proportional to 602,651.76, 903,132.54 and 433,375.53

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Solution

The fourth proportional to 602,651.76, 903,132.54 and 433,375.53 is: 649,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,651.76 : 903,132.54 = 433,375.53 : x
  2. Step 2: Convert to fraction form
    602,651.76/903,132.54 = 433,375.53/x
  3. Step 3: Cross multiply
    602,651.76x = 903,132.54 × 433,375.53
  4. Step 4: Simplify right side
    602,651.76x = 391,395,543,182.75
  5. Step 5: Solve for x
    x = 391,395,543,182.75/602,651.76
  6. Step 6: Final answer
    x = 649,455.57

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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.