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Finding the Fourth Proportional to 359,918.44, 496,687.44 and 209,025.16

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Solution

The fourth proportional to 359,918.44, 496,687.44 and 209,025.16 is: 288,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,918.44 : 496,687.44 = 209,025.16 : x
  2. Step 2: Convert to fraction form
    359,918.44/496,687.44 = 209,025.16/x
  3. Step 3: Cross multiply
    359,918.44x = 496,687.44 × 209,025.16
  4. Step 4: Simplify right side
    359,918.44x = 103,820,171,615.99
  5. Step 5: Solve for x
    x = 103,820,171,615.99/359,918.44
  6. Step 6: Final answer
    x = 288,454.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.