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Finding the Fourth Proportional to 344,894.08, 517,399.44 and 157,920.16

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Solution

The fourth proportional to 344,894.08, 517,399.44 and 157,920.16 is: 236,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,894.08 : 517,399.44 = 157,920.16 : x
  2. Step 2: Convert to fraction form
    344,894.08/517,399.44 = 157,920.16/x
  3. Step 3: Cross multiply
    344,894.08x = 517,399.44 × 157,920.16
  4. Step 4: Simplify right side
    344,894.08x = 81,707,802,348.71
  5. Step 5: Solve for x
    x = 81,707,802,348.71/344,894.08
  6. Step 6: Final answer
    x = 236,906.94

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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.