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Finding the Fourth Proportional to 623,367.60, 934,380.72 and 268,548.72

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Solution

The fourth proportional to 623,367.60, 934,380.72 and 268,548.72 is: 402,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,367.60 : 934,380.72 = 268,548.72 : x
  2. Step 2: Convert to fraction form
    623,367.60/934,380.72 = 268,548.72/x
  3. Step 3: Cross multiply
    623,367.60x = 934,380.72 × 268,548.72
  4. Step 4: Simplify right side
    623,367.60x = 250,926,746,348.68
  5. Step 5: Solve for x
    x = 250,926,746,348.68/623,367.60
  6. Step 6: Final answer
    x = 402,534.15

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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.