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Finding the Fourth Proportional to 435,003.67, 652,294.55 and 255,147.87

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Solution

The fourth proportional to 435,003.67, 652,294.55 and 255,147.87 is: 382,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,003.67 : 652,294.55 = 255,147.87 : x
  2. Step 2: Convert to fraction form
    435,003.67/652,294.55 = 255,147.87/x
  3. Step 3: Cross multiply
    435,003.67x = 652,294.55 × 255,147.87
  4. Step 4: Simplify right side
    435,003.67x = 166,431,565,045.11
  5. Step 5: Solve for x
    x = 166,431,565,045.11/435,003.67
  6. Step 6: Final answer
    x = 382,598.07

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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.