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Finding the Fourth Proportional to 697,737.90, 963,003.69 and 411,240.90

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Solution

The fourth proportional to 697,737.90, 963,003.69 and 411,240.90 is: 567,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,737.90 : 963,003.69 = 411,240.90 : x
  2. Step 2: Convert to fraction form
    697,737.90/963,003.69 = 411,240.90/x
  3. Step 3: Cross multiply
    697,737.90x = 963,003.69 × 411,240.90
  4. Step 4: Simplify right side
    697,737.90x = 396,026,504,178.92
  5. Step 5: Solve for x
    x = 396,026,504,178.92/697,737.90
  6. Step 6: Final answer
    x = 567,586.34

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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.