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Finding the Fourth Proportional to 359,748.95, 496,440.54 and 198,600.54

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Solution

The fourth proportional to 359,748.95, 496,440.54 and 198,600.54 is: 274,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,748.95 : 496,440.54 = 198,600.54 : x
  2. Step 2: Convert to fraction form
    359,748.95/496,440.54 = 198,600.54/x
  3. Step 3: Cross multiply
    359,748.95x = 496,440.54 × 198,600.54
  4. Step 4: Simplify right side
    359,748.95x = 98,593,359,321.89
  5. Step 5: Solve for x
    x = 98,593,359,321.89/359,748.95
  6. Step 6: Final answer
    x = 274,061.57

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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.