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Finding the Fourth Proportional to 466,417.60, 699,626.40 and 279,793.60

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Solution

The fourth proportional to 466,417.60, 699,626.40 and 279,793.60 is: 419,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,417.60 : 699,626.40 = 279,793.60 : x
  2. Step 2: Convert to fraction form
    466,417.60/699,626.40 = 279,793.60/x
  3. Step 3: Cross multiply
    466,417.60x = 699,626.40 × 279,793.60
  4. Step 4: Simplify right side
    466,417.60x = 195,750,989,111.04
  5. Step 5: Solve for x
    x = 195,750,989,111.04/466,417.60
  6. Step 6: Final answer
    x = 419,690.40

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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.