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Finding the Fourth Proportional to 619,875.90, 929,452.55 and 240,353.24

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Solution

The fourth proportional to 619,875.90, 929,452.55 and 240,353.24 is: 360,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,875.90 : 929,452.55 = 240,353.24 : x
  2. Step 2: Convert to fraction form
    619,875.90/929,452.55 = 240,353.24/x
  3. Step 3: Cross multiply
    619,875.90x = 929,452.55 × 240,353.24
  4. Step 4: Simplify right side
    619,875.90x = 223,396,925,969.73
  5. Step 5: Solve for x
    x = 223,396,925,969.73/619,875.90
  6. Step 6: Final answer
    x = 360,389.76

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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.