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Finding the Fourth Proportional to 668,891.70, 923,358.51 and 410,810.49

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Solution

The fourth proportional to 668,891.70, 923,358.51 and 410,810.49 is: 567,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,891.70 : 923,358.51 = 410,810.49 : x
  2. Step 2: Convert to fraction form
    668,891.70/923,358.51 = 410,810.49/x
  3. Step 3: Cross multiply
    668,891.70x = 923,358.51 × 410,810.49
  4. Step 4: Simplify right side
    668,891.70x = 379,325,361,938.77
  5. Step 5: Solve for x
    x = 379,325,361,938.77/668,891.70
  6. Step 6: Final answer
    x = 567,095.33

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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.