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Finding the Fourth Proportional to 610,020.60, 914,374.80 and 230,794.80

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Solution

The fourth proportional to 610,020.60, 914,374.80 and 230,794.80 is: 345,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,020.60 : 914,374.80 = 230,794.80 : x
  2. Step 2: Convert to fraction form
    610,020.60/914,374.80 = 230,794.80/x
  3. Step 3: Cross multiply
    610,020.60x = 914,374.80 × 230,794.80
  4. Step 4: Simplify right side
    610,020.60x = 211,032,949,091.04
  5. Step 5: Solve for x
    x = 211,032,949,091.04/610,020.60
  6. Step 6: Final answer
    x = 345,943.97

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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.