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Finding the Fourth Proportional to 646,744.62, 892,535.19 and 360,264.90

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Solution

The fourth proportional to 646,744.62, 892,535.19 and 360,264.90 is: 497,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,744.62 : 892,535.19 = 360,264.90 : x
  2. Step 2: Convert to fraction form
    646,744.62/892,535.19 = 360,264.90/x
  3. Step 3: Cross multiply
    646,744.62x = 892,535.19 × 360,264.90
  4. Step 4: Simplify right side
    646,744.62x = 321,549,100,971.83
  5. Step 5: Solve for x
    x = 321,549,100,971.83/646,744.62
  6. Step 6: Final answer
    x = 497,180.94

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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.