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Finding the Fourth Proportional to 359,760.47, 496,456.44 and 198,612.08

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Solution

The fourth proportional to 359,760.47, 496,456.44 and 198,612.08 is: 274,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,760.47 : 496,456.44 = 198,612.08 : x
  2. Step 2: Convert to fraction form
    359,760.47/496,456.44 = 198,612.08/x
  3. Step 3: Cross multiply
    359,760.47x = 496,456.44 × 198,612.08
  4. Step 4: Simplify right side
    359,760.47x = 98,602,248,722.19
  5. Step 5: Solve for x
    x = 98,602,248,722.19/359,760.47
  6. Step 6: Final answer
    x = 274,077.50

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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.