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Finding the Fourth Proportional to 359,569.89, 496,216.53 and 198,435.12

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Solution

The fourth proportional to 359,569.89, 496,216.53 and 198,435.12 is: 273,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,569.89 : 496,216.53 = 198,435.12 : x
  2. Step 2: Convert to fraction form
    359,569.89/496,216.53 = 198,435.12/x
  3. Step 3: Cross multiply
    359,569.89x = 496,216.53 × 198,435.12
  4. Step 4: Simplify right side
    359,569.89x = 98,466,786,676.53
  5. Step 5: Solve for x
    x = 98,466,786,676.53/359,569.89
  6. Step 6: Final answer
    x = 273,846.03

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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.