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Finding the Fourth Proportional to 633,822.84, 874,695.78 and 347,360.94

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Solution

The fourth proportional to 633,822.84, 874,695.78 and 347,360.94 is: 479,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,822.84 : 874,695.78 = 347,360.94 : x
  2. Step 2: Convert to fraction form
    633,822.84/874,695.78 = 347,360.94/x
  3. Step 3: Cross multiply
    633,822.84x = 874,695.78 × 347,360.94
  4. Step 4: Simplify right side
    633,822.84x = 303,835,148,354.83
  5. Step 5: Solve for x
    x = 303,835,148,354.83/633,822.84
  6. Step 6: Final answer
    x = 479,369.20

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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.