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Finding the Fourth Proportional to 367,028.60, 550,542.90 and 260,740.40

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Solution

The fourth proportional to 367,028.60, 550,542.90 and 260,740.40 is: 391,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,028.60 : 550,542.90 = 260,740.40 : x
  2. Step 2: Convert to fraction form
    367,028.60/550,542.90 = 260,740.40/x
  3. Step 3: Cross multiply
    367,028.60x = 550,542.90 × 260,740.40
  4. Step 4: Simplify right side
    367,028.60x = 143,548,775,963.16
  5. Step 5: Solve for x
    x = 143,548,775,963.16/367,028.60
  6. Step 6: Final answer
    x = 391,110.60

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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.