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Finding the Fourth Proportional to 302,041.20, 416,770.20 and 174,728.64

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Solution

The fourth proportional to 302,041.20, 416,770.20 and 174,728.64 is: 241,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,041.20 : 416,770.20 = 174,728.64 : x
  2. Step 2: Convert to fraction form
    302,041.20/416,770.20 = 174,728.64/x
  3. Step 3: Cross multiply
    302,041.20x = 416,770.20 × 174,728.64
  4. Step 4: Simplify right side
    302,041.20x = 72,821,690,238.53
  5. Step 5: Solve for x
    x = 72,821,690,238.53/302,041.20
  6. Step 6: Final answer
    x = 241,098.53

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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.