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Finding the Fourth Proportional to 359,707.79, 496,393.96 and 198,562.79

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Solution

The fourth proportional to 359,707.79, 496,393.96 and 198,562.79 is: 274,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,707.79 : 496,393.96 = 198,562.79 : x
  2. Step 2: Convert to fraction form
    359,707.79/496,393.96 = 198,562.79/x
  3. Step 3: Cross multiply
    359,707.79x = 496,393.96 × 198,562.79
  4. Step 4: Simplify right side
    359,707.79x = 98,565,369,636.75
  5. Step 5: Solve for x
    x = 98,565,369,636.75/359,707.79
  6. Step 6: Final answer
    x = 274,015.11

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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.