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Finding the Fourth Proportional to 318,614.48, 478,216.92 and 160,953.92

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Solution

The fourth proportional to 318,614.48, 478,216.92 and 160,953.92 is: 241,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,614.48 : 478,216.92 = 160,953.92 : x
  2. Step 2: Convert to fraction form
    318,614.48/478,216.92 = 160,953.92/x
  3. Step 3: Cross multiply
    318,614.48x = 478,216.92 × 160,953.92
  4. Step 4: Simplify right side
    318,614.48x = 76,970,887,884.33
  5. Step 5: Solve for x
    x = 76,970,887,884.33/318,614.48
  6. Step 6: Final answer
    x = 241,580.01

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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.