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Finding the Fourth Proportional to 360,043.38, 539,224.29 and 284,657.22

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Solution

The fourth proportional to 360,043.38, 539,224.29 and 284,657.22 is: 426,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,043.38 : 539,224.29 = 284,657.22 : x
  2. Step 2: Convert to fraction form
    360,043.38/539,224.29 = 284,657.22/x
  3. Step 3: Cross multiply
    360,043.38x = 539,224.29 × 284,657.22
  4. Step 4: Simplify right side
    360,043.38x = 153,494,087,347.87
  5. Step 5: Solve for x
    x = 153,494,087,347.87/360,043.38
  6. Step 6: Final answer
    x = 426,321.09

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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.