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Finding the Fourth Proportional to 359,678.92, 496,361.04 and 198,534.10

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Solution

The fourth proportional to 359,678.92, 496,361.04 and 198,534.10 is: 273,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,678.92 : 496,361.04 = 198,534.10 : x
  2. Step 2: Convert to fraction form
    359,678.92/496,361.04 = 198,534.10/x
  3. Step 3: Cross multiply
    359,678.92x = 496,361.04 × 198,534.10
  4. Step 4: Simplify right side
    359,678.92x = 98,544,592,351.46
  5. Step 5: Solve for x
    x = 98,544,592,351.46/359,678.92
  6. Step 6: Final answer
    x = 273,979.34

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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.