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Finding the Fourth Proportional to 452,711.55, 624,705.38 and 261,737.25

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Solution

The fourth proportional to 452,711.55, 624,705.38 and 261,737.25 is: 361,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,711.55 : 624,705.38 = 261,737.25 : x
  2. Step 2: Convert to fraction form
    452,711.55/624,705.38 = 261,737.25/x
  3. Step 3: Cross multiply
    452,711.55x = 624,705.38 × 261,737.25
  4. Step 4: Simplify right side
    452,711.55x = 163,508,666,912.72
  5. Step 5: Solve for x
    x = 163,508,666,912.72/452,711.55
  6. Step 6: Final answer
    x = 361,176.27

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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.