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Finding the Fourth Proportional to 633,973.41, 874,972.89 and 392,333.79

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Solution

The fourth proportional to 633,973.41, 874,972.89 and 392,333.79 is: 541,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,973.41 : 874,972.89 = 392,333.79 : x
  2. Step 2: Convert to fraction form
    633,973.41/874,972.89 = 392,333.79/x
  3. Step 3: Cross multiply
    633,973.41x = 874,972.89 × 392,333.79
  4. Step 4: Simplify right side
    633,973.41x = 343,281,430,080.95
  5. Step 5: Solve for x
    x = 343,281,430,080.95/633,973.41
  6. Step 6: Final answer
    x = 541,476.07

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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.