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Finding the Fourth Proportional to 867,761.08, 1,197,515 and 480,589.16

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Solution

The fourth proportional to 867,761.08, 1,197,515 and 480,589.16 is: 663,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,761.08 : 1,197,515 = 480,589.16 : x
  2. Step 2: Convert to fraction form
    867,761.08/1,197,515 = 480,589.16/x
  3. Step 3: Cross multiply
    867,761.08x = 1,197,515 × 480,589.16
  4. Step 4: Simplify right side
    867,761.08x = 575,512,727,937.40
  5. Step 5: Solve for x
    x = 575,512,727,937.40/867,761.08
  6. Step 6: Final answer
    x = 663,215.65

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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.