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Finding the Fourth Proportional to 352,349.60, 486,238.76 and 197,301.20

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Solution

The fourth proportional to 352,349.60, 486,238.76 and 197,301.20 is: 272,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,349.60 : 486,238.76 = 197,301.20 : x
  2. Step 2: Convert to fraction form
    352,349.60/486,238.76 = 197,301.20/x
  3. Step 3: Cross multiply
    352,349.60x = 486,238.76 × 197,301.20
  4. Step 4: Simplify right side
    352,349.60x = 95,935,490,834.51
  5. Step 5: Solve for x
    x = 95,935,490,834.51/352,349.60
  6. Step 6: Final answer
    x = 272,273.59

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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.