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Finding the Fourth Proportional to 569,889.60, 854,834.40 and 545,620.80

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Solution

The fourth proportional to 569,889.60, 854,834.40 and 545,620.80 is: 818,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,889.60 : 854,834.40 = 545,620.80 : x
  2. Step 2: Convert to fraction form
    569,889.60/854,834.40 = 545,620.80/x
  3. Step 3: Cross multiply
    569,889.60x = 854,834.40 × 545,620.80
  4. Step 4: Simplify right side
    569,889.60x = 466,415,429,195.52
  5. Step 5: Solve for x
    x = 466,415,429,195.52/569,889.60
  6. Step 6: Final answer
    x = 818,431.20

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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.