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Finding the Fourth Proportional to 372,585.67, 514,155.14 and 202,816.15

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Solution

The fourth proportional to 372,585.67, 514,155.14 and 202,816.15 is: 279,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,585.67 : 514,155.14 = 202,816.15 : x
  2. Step 2: Convert to fraction form
    372,585.67/514,155.14 = 202,816.15/x
  3. Step 3: Cross multiply
    372,585.67x = 514,155.14 × 202,816.15
  4. Step 4: Simplify right side
    372,585.67x = 104,278,964,983.43
  5. Step 5: Solve for x
    x = 104,278,964,983.43/372,585.67
  6. Step 6: Final answer
    x = 279,879.16

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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.