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Finding the Fourth Proportional to 359,760.96, 496,457.10 and 198,612.60

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Solution

The fourth proportional to 359,760.96, 496,457.10 and 198,612.60 is: 274,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,760.96 : 496,457.10 = 198,612.60 : x
  2. Step 2: Convert to fraction form
    359,760.96/496,457.10 = 198,612.60/x
  3. Step 3: Cross multiply
    359,760.96x = 496,457.10 × 198,612.60
  4. Step 4: Simplify right side
    359,760.96x = 98,602,635,419.46
  5. Step 5: Solve for x
    x = 98,602,635,419.46/359,760.96
  6. Step 6: Final answer
    x = 274,078.20

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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.