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Finding the Fourth Proportional to 359,968.59, 496,764.09 and 216,698.22

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Solution

The fourth proportional to 359,968.59, 496,764.09 and 216,698.22 is: 299,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,968.59 : 496,764.09 = 216,698.22 : x
  2. Step 2: Convert to fraction form
    359,968.59/496,764.09 = 216,698.22/x
  3. Step 3: Cross multiply
    359,968.59x = 496,764.09 × 216,698.22
  4. Step 4: Simplify right side
    359,968.59x = 107,647,894,062.92
  5. Step 5: Solve for x
    x = 107,647,894,062.92/359,968.59
  6. Step 6: Final answer
    x = 299,048.02

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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.