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Finding the Fourth Proportional to 350,572.79, 483,889.55 and 207,382.61

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Solution

The fourth proportional to 350,572.79, 483,889.55 and 207,382.61 is: 286,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,572.79 : 483,889.55 = 207,382.61 : x
  2. Step 2: Convert to fraction form
    350,572.79/483,889.55 = 207,382.61/x
  3. Step 3: Cross multiply
    350,572.79x = 483,889.55 × 207,382.61
  4. Step 4: Simplify right side
    350,572.79x = 100,350,274,374.37
  5. Step 5: Solve for x
    x = 100,350,274,374.37/350,572.79
  6. Step 6: Final answer
    x = 286,246.62

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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.