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Finding the Fourth Proportional to 372,668.22, 514,601.79 and 360,617.38

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Solution

The fourth proportional to 372,668.22, 514,601.79 and 360,617.38 is: 497,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,668.22 : 514,601.79 = 360,617.38 : x
  2. Step 2: Convert to fraction form
    372,668.22/514,601.79 = 360,617.38/x
  3. Step 3: Cross multiply
    372,668.22x = 514,601.79 × 360,617.38
  4. Step 4: Simplify right side
    372,668.22x = 185,574,344,877.01
  5. Step 5: Solve for x
    x = 185,574,344,877.01/372,668.22
  6. Step 6: Final answer
    x = 497,961.29

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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.