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Finding the Fourth Proportional to 633,862.26, 874,737.63 and 347,376.20

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Solution

The fourth proportional to 633,862.26, 874,737.63 and 347,376.20 is: 479,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,862.26 : 874,737.63 = 347,376.20 : x
  2. Step 2: Convert to fraction form
    633,862.26/874,737.63 = 347,376.20/x
  3. Step 3: Cross multiply
    633,862.26x = 874,737.63 × 347,376.20
  4. Step 4: Simplify right side
    633,862.26x = 303,863,029,532.72
  5. Step 5: Solve for x
    x = 303,863,029,532.72/633,862.26
  6. Step 6: Final answer
    x = 479,383.38

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1.5x scale

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.