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Finding the Fourth Proportional to 623,843.60, 934,890.60 and 548,610.80

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Solution

The fourth proportional to 623,843.60, 934,890.60 and 548,610.80 is: 822,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,843.60 : 934,890.60 = 548,610.80 : x
  2. Step 2: Convert to fraction form
    623,843.60/934,890.60 = 548,610.80/x
  3. Step 3: Cross multiply
    623,843.60x = 934,890.60 × 548,610.80
  4. Step 4: Simplify right side
    623,843.60x = 512,891,079,978.48
  5. Step 5: Solve for x
    x = 512,891,079,978.48/623,843.60
  6. Step 6: Final answer
    x = 822,146.90

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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.