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Finding the Fourth Proportional to 452,463.05, 624,168.05 and 288,947.67

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Solution

The fourth proportional to 452,463.05, 624,168.05 and 288,947.67 is: 398,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,463.05 : 624,168.05 = 288,947.67 : x
  2. Step 2: Convert to fraction form
    452,463.05/624,168.05 = 288,947.67/x
  3. Step 3: Cross multiply
    452,463.05x = 624,168.05 × 288,947.67
  4. Step 4: Simplify right side
    452,463.05x = 180,351,902,291.21
  5. Step 5: Solve for x
    x = 180,351,902,291.21/452,463.05
  6. Step 6: Final answer
    x = 398,600.29

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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.