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Finding the Fourth Proportional to 633,371.84, 874,053.12 and 346,891.52

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Solution

The fourth proportional to 633,371.84, 874,053.12 and 346,891.52 is: 478,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,371.84 : 874,053.12 = 346,891.52 : x
  2. Step 2: Convert to fraction form
    633,371.84/874,053.12 = 346,891.52/x
  3. Step 3: Cross multiply
    633,371.84x = 874,053.12 × 346,891.52
  4. Step 4: Simplify right side
    633,371.84x = 303,201,615,357.54
  5. Step 5: Solve for x
    x = 303,201,615,357.54/633,371.84
  6. Step 6: Final answer
    x = 478,710.29

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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.