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Finding the Fourth Proportional to 934,647.14, 1,402,002.21 and 260,744.90

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Solution

The fourth proportional to 934,647.14, 1,402,002.21 and 260,744.90 is: 391,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,647.14 : 1,402,002.21 = 260,744.90 : x
  2. Step 2: Convert to fraction form
    934,647.14/1,402,002.21 = 260,744.90/x
  3. Step 3: Cross multiply
    934,647.14x = 1,402,002.21 × 260,744.90
  4. Step 4: Simplify right side
    934,647.14x = 365,564,926,046.23
  5. Step 5: Solve for x
    x = 365,564,926,046.23/934,647.14
  6. Step 6: Final answer
    x = 391,126.14

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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.