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Finding the Fourth Proportional to 468,647.40, 702,971.10 and 343,309.80

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Solution

The fourth proportional to 468,647.40, 702,971.10 and 343,309.80 is: 514,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,647.40 : 702,971.10 = 343,309.80 : x
  2. Step 2: Convert to fraction form
    468,647.40/702,971.10 = 343,309.80/x
  3. Step 3: Cross multiply
    468,647.40x = 702,971.10 × 343,309.80
  4. Step 4: Simplify right side
    468,647.40x = 241,336,867,746.78
  5. Step 5: Solve for x
    x = 241,336,867,746.78/468,647.40
  6. Step 6: Final answer
    x = 514,964.70

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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.