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Finding the Fourth Proportional to 468,260.28, 646,199.18 and 253,400.34

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Solution

The fourth proportional to 468,260.28, 646,199.18 and 253,400.34 is: 349,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,260.28 : 646,199.18 = 253,400.34 : x
  2. Step 2: Convert to fraction form
    468,260.28/646,199.18 = 253,400.34/x
  3. Step 3: Cross multiply
    468,260.28x = 646,199.18 × 253,400.34
  4. Step 4: Simplify right side
    468,260.28x = 163,747,091,919.72
  5. Step 5: Solve for x
    x = 163,747,091,919.72/468,260.28
  6. Step 6: Final answer
    x = 349,692.47

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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.