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Finding the Fourth Proportional to 326,053.20, 488,496.60 and 201,248.40

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Solution

The fourth proportional to 326,053.20, 488,496.60 and 201,248.40 is: 301,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,053.20 : 488,496.60 = 201,248.40 : x
  2. Step 2: Convert to fraction form
    326,053.20/488,496.60 = 201,248.40/x
  3. Step 3: Cross multiply
    326,053.20x = 488,496.60 × 201,248.40
  4. Step 4: Simplify right side
    326,053.20x = 98,309,159,155.44
  5. Step 5: Solve for x
    x = 98,309,159,155.44/326,053.20
  6. Step 6: Final answer
    x = 301,512.63

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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.