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Finding the Fourth Proportional to 454,042.44, 626,523.70 and 260,440.12

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Solution

The fourth proportional to 454,042.44, 626,523.70 and 260,440.12 is: 359,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,042.44 : 626,523.70 = 260,440.12 : x
  2. Step 2: Convert to fraction form
    454,042.44/626,523.70 = 260,440.12/x
  3. Step 3: Cross multiply
    454,042.44x = 626,523.70 × 260,440.12
  4. Step 4: Simplify right side
    454,042.44x = 163,171,907,610.84
  5. Step 5: Solve for x
    x = 163,171,907,610.84/454,042.44
  6. Step 6: Final answer
    x = 359,375.89

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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.