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Finding the Fourth Proportional to 359,551.83, 496,159.22 and 198,408.15

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Solution

The fourth proportional to 359,551.83, 496,159.22 and 198,408.15 is: 273,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,551.83 : 496,159.22 = 198,408.15 : x
  2. Step 2: Convert to fraction form
    359,551.83/496,159.22 = 198,408.15/x
  3. Step 3: Cross multiply
    359,551.83x = 496,159.22 × 198,408.15
  4. Step 4: Simplify right side
    359,551.83x = 98,442,031,953.60
  5. Step 5: Solve for x
    x = 98,442,031,953.60/359,551.83
  6. Step 6: Final answer
    x = 273,790.94

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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.