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Finding the Fourth Proportional to 359,717.49, 496,410.21 and 198,572.64

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Solution

The fourth proportional to 359,717.49, 496,410.21 and 198,572.64 is: 274,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,717.49 : 496,410.21 = 198,572.64 : x
  2. Step 2: Convert to fraction form
    359,717.49/496,410.21 = 198,572.64/x
  3. Step 3: Cross multiply
    359,717.49x = 496,410.21 × 198,572.64
  4. Step 4: Simplify right side
    359,717.49x = 98,573,485,922.65
  5. Step 5: Solve for x
    x = 98,573,485,922.65/359,717.49
  6. Step 6: Final answer
    x = 274,030.28

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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.