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Finding the Fourth Proportional to 359,816.85, 496,545.12 and 198,670.59

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Solution

The fourth proportional to 359,816.85, 496,545.12 and 198,670.59 is: 274,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,816.85 : 496,545.12 = 198,670.59 : x
  2. Step 2: Convert to fraction form
    359,816.85/496,545.12 = 198,670.59/x
  3. Step 3: Cross multiply
    359,816.85x = 496,545.12 × 198,670.59
  4. Step 4: Simplify right side
    359,816.85x = 98,648,911,952.02
  5. Step 5: Solve for x
    x = 98,648,911,952.02/359,816.85
  6. Step 6: Final answer
    x = 274,164.24

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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.