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Finding the Fourth Proportional to 569,546.80, 854,255.40 and 148,865.20

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Solution

The fourth proportional to 569,546.80, 854,255.40 and 148,865.20 is: 223,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,546.80 : 854,255.40 = 148,865.20 : x
  2. Step 2: Convert to fraction form
    569,546.80/854,255.40 = 148,865.20/x
  3. Step 3: Cross multiply
    569,546.80x = 854,255.40 × 148,865.20
  4. Step 4: Simplify right side
    569,546.80x = 127,168,900,972.08
  5. Step 5: Solve for x
    x = 127,168,900,972.08/569,546.80
  6. Step 6: Final answer
    x = 223,280.86

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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.