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Finding the Fourth Proportional to 336,243, 463,752.84 and 215,395.52

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Solution

The fourth proportional to 336,243, 463,752.84 and 215,395.52 is: 297,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,243 : 463,752.84 = 215,395.52 : x
  2. Step 2: Convert to fraction form
    336,243/463,752.84 = 215,395.52/x
  3. Step 3: Cross multiply
    336,243x = 463,752.84 × 215,395.52
  4. Step 4: Simplify right side
    336,243x = 99,890,284,123.28
  5. Step 5: Solve for x
    x = 99,890,284,123.28/336,243
  6. Step 6: Final answer
    x = 297,077.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.