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Finding the Fourth Proportional to 359,502.57, 496,112.45 and 198,356.18

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Solution

The fourth proportional to 359,502.57, 496,112.45 and 198,356.18 is: 273,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,502.57 : 496,112.45 = 198,356.18 : x
  2. Step 2: Convert to fraction form
    359,502.57/496,112.45 = 198,356.18/x
  3. Step 3: Cross multiply
    359,502.57x = 496,112.45 × 198,356.18
  4. Step 4: Simplify right side
    359,502.57x = 98,406,966,960.10
  5. Step 5: Solve for x
    x = 98,406,966,960.10/359,502.57
  6. Step 6: Final answer
    x = 273,730.91

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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.