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Finding the Fourth Proportional to 244,719.20, 367,078.80 and 207,394.40

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Solution

The fourth proportional to 244,719.20, 367,078.80 and 207,394.40 is: 311,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,719.20 : 367,078.80 = 207,394.40 : x
  2. Step 2: Convert to fraction form
    244,719.20/367,078.80 = 207,394.40/x
  3. Step 3: Cross multiply
    244,719.20x = 367,078.80 × 207,394.40
  4. Step 4: Simplify right side
    244,719.20x = 76,130,087,478.72
  5. Step 5: Solve for x
    x = 76,130,087,478.72/244,719.20
  6. Step 6: Final answer
    x = 311,091.60

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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.