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Finding the Fourth Proportional to 360,000.20, 539,222.70 and 297,792.20

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Solution

The fourth proportional to 360,000.20, 539,222.70 and 297,792.20 is: 446,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,000.20 : 539,222.70 = 297,792.20 : x
  2. Step 2: Convert to fraction form
    360,000.20/539,222.70 = 297,792.20/x
  3. Step 3: Cross multiply
    360,000.20x = 539,222.70 × 297,792.20
  4. Step 4: Simplify right side
    360,000.20x = 160,576,314,122.94
  5. Step 5: Solve for x
    x = 160,576,314,122.94/360,000.20
  6. Step 6: Final answer
    x = 446,045.07

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Similar ratio
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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.