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Finding the Fourth Proportional to 359,497.90, 496,106.72 and 198,352.93

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Solution

The fourth proportional to 359,497.90, 496,106.72 and 198,352.93 is: 273,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.90 : 496,106.72 = 198,352.93 : x
  2. Step 2: Convert to fraction form
    359,497.90/496,106.72 = 198,352.93/x
  3. Step 3: Cross multiply
    359,497.90x = 496,106.72 × 198,352.93
  4. Step 4: Simplify right side
    359,497.90x = 98,404,221,504.69
  5. Step 5: Solve for x
    x = 98,404,221,504.69/359,497.90
  6. Step 6: Final answer
    x = 273,726.83

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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.