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Finding the Fourth Proportional to 324,005.30, 486,591.15 and 235,358.90

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Solution

The fourth proportional to 324,005.30, 486,591.15 and 235,358.90 is: 353,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.30 : 486,591.15 = 235,358.90 : x
  2. Step 2: Convert to fraction form
    324,005.30/486,591.15 = 235,358.90/x
  3. Step 3: Cross multiply
    324,005.30x = 486,591.15 × 235,358.90
  4. Step 4: Simplify right side
    324,005.30x = 114,523,557,813.74
  5. Step 5: Solve for x
    x = 114,523,557,813.74/324,005.30
  6. Step 6: Final answer
    x = 353,461.99

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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.