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Finding the Fourth Proportional to 354,693.65, 490,010.36 and 232,476.03

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Solution

The fourth proportional to 354,693.65, 490,010.36 and 232,476.03 is: 321,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,693.65 : 490,010.36 = 232,476.03 : x
  2. Step 2: Convert to fraction form
    354,693.65/490,010.36 = 232,476.03/x
  3. Step 3: Cross multiply
    354,693.65x = 490,010.36 × 232,476.03
  4. Step 4: Simplify right side
    354,693.65x = 113,915,661,989.29
  5. Step 5: Solve for x
    x = 113,915,661,989.29/354,693.65
  6. Step 6: Final answer
    x = 321,166.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.