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Finding the Fourth Proportional to 359,497.85, 496,108.80 and 198,353.00

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Solution

The fourth proportional to 359,497.85, 496,108.80 and 198,353.00 is: 273,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.85 : 496,108.80 = 198,353.00 : x
  2. Step 2: Convert to fraction form
    359,497.85/496,108.80 = 198,353.00/x
  3. Step 3: Cross multiply
    359,497.85x = 496,108.80 × 198,353.00
  4. Step 4: Simplify right side
    359,497.85x = 98,404,670,046.67
  5. Step 5: Solve for x
    x = 98,404,670,046.67/359,497.85
  6. Step 6: Final answer
    x = 273,728.12

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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.