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Finding the Fourth Proportional to 362,471.07, 500,154.47 and 209,479.72

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Solution

The fourth proportional to 362,471.07, 500,154.47 and 209,479.72 is: 289,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,471.07 : 500,154.47 = 209,479.72 : x
  2. Step 2: Convert to fraction form
    362,471.07/500,154.47 = 209,479.72/x
  3. Step 3: Cross multiply
    362,471.07x = 500,154.47 × 209,479.72
  4. Step 4: Simplify right side
    362,471.07x = 104,772,218,332.35
  5. Step 5: Solve for x
    x = 104,772,218,332.35/362,471.07
  6. Step 6: Final answer
    x = 289,049.88

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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.