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Finding the Fourth Proportional to 232,402.80, 348,085.80 and 190,930.80

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Solution

The fourth proportional to 232,402.80, 348,085.80 and 190,930.80 is: 285,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,402.80 : 348,085.80 = 190,930.80 : x
  2. Step 2: Convert to fraction form
    232,402.80/348,085.80 = 190,930.80/x
  3. Step 3: Cross multiply
    232,402.80x = 348,085.80 × 190,930.80
  4. Step 4: Simplify right side
    232,402.80x = 66,460,300,262.64
  5. Step 5: Solve for x
    x = 66,460,300,262.64/232,402.80
  6. Step 6: Final answer
    x = 285,970.31

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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.