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Finding the Fourth Proportional to 359,740.47, 496,445.88 and 198,595.62

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Solution

The fourth proportional to 359,740.47, 496,445.88 and 198,595.62 is: 274,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,740.47 : 496,445.88 = 198,595.62 : x
  2. Step 2: Convert to fraction form
    359,740.47/496,445.88 = 198,595.62/x
  3. Step 3: Cross multiply
    359,740.47x = 496,445.88 × 198,595.62
  4. Step 4: Simplify right side
    359,740.47x = 98,591,977,335.05
  5. Step 5: Solve for x
    x = 98,591,977,335.05/359,740.47
  6. Step 6: Final answer
    x = 274,064.18

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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.