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Finding the Fourth Proportional to 633,981.48, 874,915.92 and 347,501.58

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Solution

The fourth proportional to 633,981.48, 874,915.92 and 347,501.58 is: 479,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,981.48 : 874,915.92 = 347,501.58 : x
  2. Step 2: Convert to fraction form
    633,981.48/874,915.92 = 347,501.58/x
  3. Step 3: Cross multiply
    633,981.48x = 874,915.92 × 347,501.58
  4. Step 4: Simplify right side
    633,981.48x = 304,034,664,567.15
  5. Step 5: Solve for x
    x = 304,034,664,567.15/633,981.48
  6. Step 6: Final answer
    x = 479,563.95

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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.