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Finding the Fourth Proportional to 359,551.33, 496,158.53 and 198,407.65

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Solution

The fourth proportional to 359,551.33, 496,158.53 and 198,407.65 is: 273,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,551.33 : 496,158.53 = 198,407.65 : x
  2. Step 2: Convert to fraction form
    359,551.33/496,158.53 = 198,407.65/x
  3. Step 3: Cross multiply
    359,551.33x = 496,158.53 × 198,407.65
  4. Step 4: Simplify right side
    359,551.33x = 98,441,646,972.72
  5. Step 5: Solve for x
    x = 98,441,646,972.72/359,551.33
  6. Step 6: Final answer
    x = 273,790.25

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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.