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Finding the Fourth Proportional to 468,620.54, 646,699.42 and 253,760.62

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Solution

The fourth proportional to 468,620.54, 646,699.42 and 253,760.62 is: 350,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,620.54 : 646,699.42 = 253,760.62 : x
  2. Step 2: Convert to fraction form
    468,620.54/646,699.42 = 253,760.62/x
  3. Step 3: Cross multiply
    468,620.54x = 646,699.42 × 253,760.62
  4. Step 4: Simplify right side
    468,620.54x = 164,106,845,772.84
  5. Step 5: Solve for x
    x = 164,106,845,772.84/468,620.54
  6. Step 6: Final answer
    x = 350,191.32

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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.