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Finding the Fourth Proportional to 359,813.06, 496,561.50 and 198,667.64

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Solution

The fourth proportional to 359,813.06, 496,561.50 and 198,667.64 is: 274,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,813.06 : 496,561.50 = 198,667.64 : x
  2. Step 2: Convert to fraction form
    359,813.06/496,561.50 = 198,667.64/x
  3. Step 3: Cross multiply
    359,813.06x = 496,561.50 × 198,667.64
  4. Step 4: Simplify right side
    359,813.06x = 98,650,701,319.86
  5. Step 5: Solve for x
    x = 98,650,701,319.86/359,813.06
  6. Step 6: Final answer
    x = 274,172.10

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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.