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Finding the Fourth Proportional to 468,206.35, 646,122.68 and 253,350.20

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Solution

The fourth proportional to 468,206.35, 646,122.68 and 253,350.20 is: 349,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,206.35 : 646,122.68 = 253,350.20 : x
  2. Step 2: Convert to fraction form
    468,206.35/646,122.68 = 253,350.20/x
  3. Step 3: Cross multiply
    468,206.35x = 646,122.68 × 253,350.20
  4. Step 4: Simplify right side
    468,206.35x = 163,695,310,202.54
  5. Step 5: Solve for x
    x = 163,695,310,202.54/468,206.35
  6. Step 6: Final answer
    x = 349,622.15

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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.