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Finding the Fourth Proportional to 359,833.40, 496,572.19 and 198,685.40

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Solution

The fourth proportional to 359,833.40, 496,572.19 and 198,685.40 is: 274,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,833.40 : 496,572.19 = 198,685.40 : x
  2. Step 2: Convert to fraction form
    359,833.40/496,572.19 = 198,685.40/x
  3. Step 3: Cross multiply
    359,833.40x = 496,572.19 × 198,685.40
  4. Step 4: Simplify right side
    359,833.40x = 98,661,644,199.03
  5. Step 5: Solve for x
    x = 98,661,644,199.03/359,833.40
  6. Step 6: Final answer
    x = 274,187.01

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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.