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Finding the Fourth Proportional to 245,076.60, 367,614.90 and 205,710.60

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Solution

The fourth proportional to 245,076.60, 367,614.90 and 205,710.60 is: 308,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,076.60 : 367,614.90 = 205,710.60 : x
  2. Step 2: Convert to fraction form
    245,076.60/367,614.90 = 205,710.60/x
  3. Step 3: Cross multiply
    245,076.60x = 367,614.90 × 205,710.60
  4. Step 4: Simplify right side
    245,076.60x = 75,622,281,647.94
  5. Step 5: Solve for x
    x = 75,622,281,647.94/245,076.60
  6. Step 6: Final answer
    x = 308,565.90

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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.