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Finding the Fourth Proportional to 359,708.77, 496,398.20 and 198,563.92

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Solution

The fourth proportional to 359,708.77, 496,398.20 and 198,563.92 is: 274,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,708.77 : 496,398.20 = 198,563.92 : x
  2. Step 2: Convert to fraction form
    359,708.77/496,398.20 = 198,563.92/x
  3. Step 3: Cross multiply
    359,708.77x = 496,398.20 × 198,563.92
  4. Step 4: Simplify right side
    359,708.77x = 98,566,772,472.94
  5. Step 5: Solve for x
    x = 98,566,772,472.94/359,708.77
  6. Step 6: Final answer
    x = 274,018.26

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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.