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Finding the Fourth Proportional to 468,632.40, 702,948.60 and 343,294.80

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Solution

The fourth proportional to 468,632.40, 702,948.60 and 343,294.80 is: 514,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,632.40 : 702,948.60 = 343,294.80 : x
  2. Step 2: Convert to fraction form
    468,632.40/702,948.60 = 343,294.80/x
  3. Step 3: Cross multiply
    468,632.40x = 702,948.60 × 343,294.80
  4. Step 4: Simplify right side
    468,632.40x = 241,318,599,047.28
  5. Step 5: Solve for x
    x = 241,318,599,047.28/468,632.40
  6. Step 6: Final answer
    x = 514,942.20

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Similar ratio
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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.