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Finding the Fourth Proportional to 324,062.60, 485,316.30 and 157,656.20

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Solution

The fourth proportional to 324,062.60, 485,316.30 and 157,656.20 is: 236,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,062.60 : 485,316.30 = 157,656.20 : x
  2. Step 2: Convert to fraction form
    324,062.60/485,316.30 = 157,656.20/x
  3. Step 3: Cross multiply
    324,062.60x = 485,316.30 × 157,656.20
  4. Step 4: Simplify right side
    324,062.60x = 76,513,123,656.06
  5. Step 5: Solve for x
    x = 76,513,123,656.06/324,062.60
  6. Step 6: Final answer
    x = 236,106.00

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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.