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Finding the Fourth Proportional to 560,759.80, 840,931.92 and 200,874.60

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Solution

The fourth proportional to 560,759.80, 840,931.92 and 200,874.60 is: 301,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,759.80 : 840,931.92 = 200,874.60 : x
  2. Step 2: Convert to fraction form
    560,759.80/840,931.92 = 200,874.60/x
  3. Step 3: Cross multiply
    560,759.80x = 840,931.92 × 200,874.60
  4. Step 4: Simplify right side
    560,759.80x = 168,921,863,057.23
  5. Step 5: Solve for x
    x = 168,921,863,057.23/560,759.80
  6. Step 6: Final answer
    x = 301,237.47

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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.