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Finding the Fourth Proportional to 456,995.52, 685,648.80 and 235,224

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Solution

The fourth proportional to 456,995.52, 685,648.80 and 235,224 is: 352,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,995.52 : 685,648.80 = 235,224 : x
  2. Step 2: Convert to fraction form
    456,995.52/685,648.80 = 235,224/x
  3. Step 3: Cross multiply
    456,995.52x = 685,648.80 × 235,224
  4. Step 4: Simplify right side
    456,995.52x = 161,281,053,331.20
  5. Step 5: Solve for x
    x = 161,281,053,331.20/456,995.52
  6. Step 6: Final answer
    x = 352,916.05

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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.