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Finding the Fourth Proportional to 646,559.64, 892,279.99 and 360,079.73

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Solution

The fourth proportional to 646,559.64, 892,279.99 and 360,079.73 is: 496,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,559.64 : 892,279.99 = 360,079.73 : x
  2. Step 2: Convert to fraction form
    646,559.64/892,279.99 = 360,079.73/x
  3. Step 3: Cross multiply
    646,559.64x = 892,279.99 × 360,079.73
  4. Step 4: Simplify right side
    646,559.64x = 321,291,936,711.99
  5. Step 5: Solve for x
    x = 321,291,936,711.99/646,559.64
  6. Step 6: Final answer
    x = 496,925.44

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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.