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Finding the Fourth Proportional to 432,864.10, 649,296.15 and 401,371.30

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Solution

The fourth proportional to 432,864.10, 649,296.15 and 401,371.30 is: 602,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,864.10 : 649,296.15 = 401,371.30 : x
  2. Step 2: Convert to fraction form
    432,864.10/649,296.15 = 401,371.30/x
  3. Step 3: Cross multiply
    432,864.10x = 649,296.15 × 401,371.30
  4. Step 4: Simplify right side
    432,864.10x = 260,608,839,810.50
  5. Step 5: Solve for x
    x = 260,608,839,810.50/432,864.10
  6. Step 6: Final answer
    x = 602,056.95

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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.