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Finding the Fourth Proportional to 482,520.38, 723,780.59 and 330,567.62

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Solution

The fourth proportional to 482,520.38, 723,780.59 and 330,567.62 is: 495,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,520.38 : 723,780.59 = 330,567.62 : x
  2. Step 2: Convert to fraction form
    482,520.38/723,780.59 = 330,567.62/x
  3. Step 3: Cross multiply
    482,520.38x = 723,780.59 × 330,567.62
  4. Step 4: Simplify right side
    482,520.38x = 239,258,421,766.76
  5. Step 5: Solve for x
    x = 239,258,421,766.76/482,520.38
  6. Step 6: Final answer
    x = 495,851.44

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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.