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Finding the Fourth Proportional to 325,062.70, 487,594.06 and 207,256.30

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Solution

The fourth proportional to 325,062.70, 487,594.06 and 207,256.30 is: 310,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,062.70 : 487,594.06 = 207,256.30 : x
  2. Step 2: Convert to fraction form
    325,062.70/487,594.06 = 207,256.30/x
  3. Step 3: Cross multiply
    325,062.70x = 487,594.06 × 207,256.30
  4. Step 4: Simplify right side
    325,062.70x = 101,056,940,777.58
  5. Step 5: Solve for x
    x = 101,056,940,777.58/325,062.70
  6. Step 6: Final answer
    x = 310,884.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.