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Finding the Fourth Proportional to 359,979.24, 496,776.60 and 209,076.24

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Solution

The fourth proportional to 359,979.24, 496,776.60 and 209,076.24 is: 288,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,979.24 : 496,776.60 = 209,076.24 : x
  2. Step 2: Convert to fraction form
    359,979.24/496,776.60 = 209,076.24/x
  3. Step 3: Cross multiply
    359,979.24x = 496,776.60 × 209,076.24
  4. Step 4: Simplify right side
    359,979.24x = 103,864,183,647.98
  5. Step 5: Solve for x
    x = 103,864,183,647.98/359,979.24
  6. Step 6: Final answer
    x = 288,528.26

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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.