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Finding the Fourth Proportional to 468,077.40, 702,116.10 and 308,645.10

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Solution

The fourth proportional to 468,077.40, 702,116.10 and 308,645.10 is: 462,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,077.40 : 702,116.10 = 308,645.10 : x
  2. Step 2: Convert to fraction form
    468,077.40/702,116.10 = 308,645.10/x
  3. Step 3: Cross multiply
    468,077.40x = 702,116.10 × 308,645.10
  4. Step 4: Simplify right side
    468,077.40x = 216,704,693,896.11
  5. Step 5: Solve for x
    x = 216,704,693,896.11/468,077.40
  6. Step 6: Final answer
    x = 462,967.65

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Similar ratio
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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.