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Finding the Fourth Proportional to 623,867.60, 934,926.60 and 548,634.80

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Solution

The fourth proportional to 623,867.60, 934,926.60 and 548,634.80 is: 822,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,867.60 : 934,926.60 = 548,634.80 : x
  2. Step 2: Convert to fraction form
    623,867.60/934,926.60 = 548,634.80/x
  3. Step 3: Cross multiply
    623,867.60x = 934,926.60 × 548,634.80
  4. Step 4: Simplify right side
    623,867.60x = 512,933,268,205.68
  5. Step 5: Solve for x
    x = 512,933,268,205.68/623,867.60
  6. Step 6: Final answer
    x = 822,182.89

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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.