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Finding the Fourth Proportional to 367,257.60, 550,886.40 and 209,793.60

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Solution

The fourth proportional to 367,257.60, 550,886.40 and 209,793.60 is: 314,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,257.60 : 550,886.40 = 209,793.60 : x
  2. Step 2: Convert to fraction form
    367,257.60/550,886.40 = 209,793.60/x
  3. Step 3: Cross multiply
    367,257.60x = 550,886.40 × 209,793.60
  4. Step 4: Simplify right side
    367,257.60x = 115,572,441,047.04
  5. Step 5: Solve for x
    x = 115,572,441,047.04/367,257.60
  6. Step 6: Final answer
    x = 314,690.40

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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.