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Finding the Fourth Proportional to 322,527.06, 483,799.08 and 85,870.14

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Solution

The fourth proportional to 322,527.06, 483,799.08 and 85,870.14 is: 128,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,527.06 : 483,799.08 = 85,870.14 : x
  2. Step 2: Convert to fraction form
    322,527.06/483,799.08 = 85,870.14/x
  3. Step 3: Cross multiply
    322,527.06x = 483,799.08 × 85,870.14
  4. Step 4: Simplify right side
    322,527.06x = 41,543,894,731.47
  5. Step 5: Solve for x
    x = 41,543,894,731.47/322,527.06
  6. Step 6: Final answer
    x = 128,807.47

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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.