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Finding the Fourth Proportional to 531,717.41, 733,840.56 and 338,143.41

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Solution

The fourth proportional to 531,717.41, 733,840.56 and 338,143.41 is: 466,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,717.41 : 733,840.56 = 338,143.41 : x
  2. Step 2: Convert to fraction form
    531,717.41/733,840.56 = 338,143.41/x
  3. Step 3: Cross multiply
    531,717.41x = 733,840.56 × 338,143.41
  4. Step 4: Simplify right side
    531,717.41x = 248,143,349,354.71
  5. Step 5: Solve for x
    x = 248,143,349,354.71/531,717.41
  6. Step 6: Final answer
    x = 466,682.76

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Double scale
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1.5x scale

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.