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Finding the Fourth Proportional to 956,408.30, 1,431,502.05 and 744,901.10

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Solution

The fourth proportional to 956,408.30, 1,431,502.05 and 744,901.10 is: 1,114,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,408.30 : 1,431,502.05 = 744,901.10 : x
  2. Step 2: Convert to fraction form
    956,408.30/1,431,502.05 = 744,901.10/x
  3. Step 3: Cross multiply
    956,408.30x = 1,431,502.05 × 744,901.10
  4. Step 4: Simplify right side
    956,408.30x = 1,066,327,451,697.26
  5. Step 5: Solve for x
    x = 1,066,327,451,697.26/956,408.30
  6. Step 6: Final answer
    x = 1,114,929.11

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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.