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Finding the Fourth Proportional to 241,812.60, 362,718.90 and 212,288.10

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Solution

The fourth proportional to 241,812.60, 362,718.90 and 212,288.10 is: 318,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,812.60 : 362,718.90 = 212,288.10 : x
  2. Step 2: Convert to fraction form
    241,812.60/362,718.90 = 212,288.10/x
  3. Step 3: Cross multiply
    241,812.60x = 362,718.90 × 212,288.10
  4. Step 4: Simplify right side
    241,812.60x = 77,000,906,115.09
  5. Step 5: Solve for x
    x = 77,000,906,115.09/241,812.60
  6. Step 6: Final answer
    x = 318,432.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.