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Finding the Fourth Proportional to 646,759.52, 892,470.24 and 360,273.46

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Solution

The fourth proportional to 646,759.52, 892,470.24 and 360,273.46 is: 497,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,759.52 : 892,470.24 = 360,273.46 : x
  2. Step 2: Convert to fraction form
    646,759.52/892,470.24 = 360,273.46/x
  3. Step 3: Cross multiply
    646,759.52x = 892,470.24 × 360,273.46
  4. Step 4: Simplify right side
    646,759.52x = 321,533,341,311.83
  5. Step 5: Solve for x
    x = 321,533,341,311.83/646,759.52
  6. Step 6: Final answer
    x = 497,145.12

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1.5x scale

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.