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Finding the Fourth Proportional to 633,729.18, 874,541.22 and 347,248.50

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Solution

The fourth proportional to 633,729.18, 874,541.22 and 347,248.50 is: 479,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,729.18 : 874,541.22 = 347,248.50 : x
  2. Step 2: Convert to fraction form
    633,729.18/874,541.22 = 347,248.50/x
  3. Step 3: Cross multiply
    633,729.18x = 874,541.22 × 347,248.50
  4. Step 4: Simplify right side
    633,729.18x = 303,683,126,833.17
  5. Step 5: Solve for x
    x = 303,683,126,833.17/633,729.18
  6. Step 6: Final answer
    x = 479,200.16

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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.