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Finding the Fourth Proportional to 372,642.04, 514,232.22 and 202,872.76

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Solution

The fourth proportional to 372,642.04, 514,232.22 and 202,872.76 is: 279,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,642.04 : 514,232.22 = 202,872.76 : x
  2. Step 2: Convert to fraction form
    372,642.04/514,232.22 = 202,872.76/x
  3. Step 3: Cross multiply
    372,642.04x = 514,232.22 × 202,872.76
  4. Step 4: Simplify right side
    372,642.04x = 104,323,709,752.33
  5. Step 5: Solve for x
    x = 104,323,709,752.33/372,642.04
  6. Step 6: Final answer
    x = 279,956.90

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Double scale
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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.