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Finding the Fourth Proportional to 348,877.71, 481,526.28 and 212,882.54

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Solution

The fourth proportional to 348,877.71, 481,526.28 and 212,882.54 is: 293,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,877.71 : 481,526.28 = 212,882.54 : x
  2. Step 2: Convert to fraction form
    348,877.71/481,526.28 = 212,882.54/x
  3. Step 3: Cross multiply
    348,877.71x = 481,526.28 × 212,882.54
  4. Step 4: Simplify right side
    348,877.71x = 102,508,535,155.52
  5. Step 5: Solve for x
    x = 102,508,535,155.52/348,877.71
  6. Step 6: Final answer
    x = 293,823.69

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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.