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Finding the Fourth Proportional to 623,845.60, 934,893.60 and 548,612.80

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Solution

The fourth proportional to 623,845.60, 934,893.60 and 548,612.80 is: 822,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,845.60 : 934,893.60 = 548,612.80 : x
  2. Step 2: Convert to fraction form
    623,845.60/934,893.60 = 548,612.80/x
  3. Step 3: Cross multiply
    623,845.60x = 934,893.60 × 548,612.80
  4. Step 4: Simplify right side
    623,845.60x = 512,894,595,598.08
  5. Step 5: Solve for x
    x = 512,894,595,598.08/623,845.60
  6. Step 6: Final answer
    x = 822,149.90

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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.