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Finding the Fourth Proportional to 359,555.08, 496,163.70 and 198,411.40

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Solution

The fourth proportional to 359,555.08, 496,163.70 and 198,411.40 is: 273,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,555.08 : 496,163.70 = 198,411.40 : x
  2. Step 2: Convert to fraction form
    359,555.08/496,163.70 = 198,411.40/x
  3. Step 3: Cross multiply
    359,555.08x = 496,163.70 × 198,411.40
  4. Step 4: Simplify right side
    359,555.08x = 98,444,534,346.18
  5. Step 5: Solve for x
    x = 98,444,534,346.18/359,555.08
  6. Step 6: Final answer
    x = 273,795.42

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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.