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Finding the Fourth Proportional to 463,128.71, 694,595.85 and 130,626.95

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Solution

The fourth proportional to 463,128.71, 694,595.85 and 130,626.95 is: 195,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,128.71 : 694,595.85 = 130,626.95 : x
  2. Step 2: Convert to fraction form
    463,128.71/694,595.85 = 130,626.95/x
  3. Step 3: Cross multiply
    463,128.71x = 694,595.85 × 130,626.95
  4. Step 4: Simplify right side
    463,128.71x = 90,732,933,895.18
  5. Step 5: Solve for x
    x = 90,732,933,895.18/463,128.71
  6. Step 6: Final answer
    x = 195,913.00

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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.