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Finding the Fourth Proportional to 693,099.25, 956,479.85 and 375,147.25

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Solution

The fourth proportional to 693,099.25, 956,479.85 and 375,147.25 is: 517,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,099.25 : 956,479.85 = 375,147.25 : x
  2. Step 2: Convert to fraction form
    693,099.25/956,479.85 = 375,147.25/x
  3. Step 3: Cross multiply
    693,099.25x = 956,479.85 × 375,147.25
  4. Step 4: Simplify right side
    693,099.25x = 358,820,785,407.91
  5. Step 5: Solve for x
    x = 358,820,785,407.91/693,099.25
  6. Step 6: Final answer
    x = 517,704.77

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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.