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Finding the Fourth Proportional to 701,142.26, 969,210.81 and 625,411.91

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Solution

The fourth proportional to 701,142.26, 969,210.81 and 625,411.91 is: 864,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,142.26 : 969,210.81 = 625,411.91 : x
  2. Step 2: Convert to fraction form
    701,142.26/969,210.81 = 625,411.91/x
  3. Step 3: Cross multiply
    701,142.26x = 969,210.81 × 625,411.91
  4. Step 4: Simplify right side
    701,142.26x = 606,155,983,874.75
  5. Step 5: Solve for x
    x = 606,155,983,874.75/701,142.26
  6. Step 6: Final answer
    x = 864,526.39

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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.