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Finding the Fourth Proportional to 560,232.78, 840,221.19 and 160,870.38

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Solution

The fourth proportional to 560,232.78, 840,221.19 and 160,870.38 is: 241,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,232.78 : 840,221.19 = 160,870.38 : x
  2. Step 2: Convert to fraction form
    560,232.78/840,221.19 = 160,870.38/x
  3. Step 3: Cross multiply
    560,232.78x = 840,221.19 × 160,870.38
  4. Step 4: Simplify right side
    560,232.78x = 135,166,702,119.35
  5. Step 5: Solve for x
    x = 135,166,702,119.35/560,232.78
  6. Step 6: Final answer
    x = 241,268.82

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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.