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Finding the Fourth Proportional to 359,545.32, 496,172.16 and 198,400.32

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Solution

The fourth proportional to 359,545.32, 496,172.16 and 198,400.32 is: 273,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,545.32 : 496,172.16 = 198,400.32 : x
  2. Step 2: Convert to fraction form
    359,545.32/496,172.16 = 198,400.32/x
  3. Step 3: Cross multiply
    359,545.32x = 496,172.16 × 198,400.32
  4. Step 4: Simplify right side
    359,545.32x = 98,440,715,319.09
  5. Step 5: Solve for x
    x = 98,440,715,319.09/359,545.32
  6. Step 6: Final answer
    x = 273,792.23

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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.