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Finding the Fourth Proportional to 515,937.60, 773,979.30 and 160,914.60

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Solution

The fourth proportional to 515,937.60, 773,979.30 and 160,914.60 is: 241,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,937.60 : 773,979.30 = 160,914.60 : x
  2. Step 2: Convert to fraction form
    515,937.60/773,979.30 = 160,914.60/x
  3. Step 3: Cross multiply
    515,937.60x = 773,979.30 × 160,914.60
  4. Step 4: Simplify right side
    515,937.60x = 124,544,569,467.78
  5. Step 5: Solve for x
    x = 124,544,569,467.78/515,937.60
  6. Step 6: Final answer
    x = 241,394.64

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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.