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Finding the Fourth Proportional to 468,236.70, 702,549.45 and 299,946.78

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Solution

The fourth proportional to 468,236.70, 702,549.45 and 299,946.78 is: 450,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,236.70 : 702,549.45 = 299,946.78 : x
  2. Step 2: Convert to fraction form
    468,236.70/702,549.45 = 299,946.78/x
  3. Step 3: Cross multiply
    468,236.70x = 702,549.45 × 299,946.78
  4. Step 4: Simplify right side
    468,236.70x = 210,727,445,318.27
  5. Step 5: Solve for x
    x = 210,727,445,318.27/468,236.70
  6. Step 6: Final answer
    x = 450,044.70

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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.