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Finding the Fourth Proportional to 325,386.60, 487,965.54 and 97,614.30

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Solution

The fourth proportional to 325,386.60, 487,965.54 and 97,614.30 is: 146,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,386.60 : 487,965.54 = 97,614.30 : x
  2. Step 2: Convert to fraction form
    325,386.60/487,965.54 = 97,614.30/x
  3. Step 3: Cross multiply
    325,386.60x = 487,965.54 × 97,614.30
  4. Step 4: Simplify right side
    325,386.60x = 47,632,414,611.22
  5. Step 5: Solve for x
    x = 47,632,414,611.22/325,386.60
  6. Step 6: Final answer
    x = 146,387.14

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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.