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Finding the Fourth Proportional to 693,463.41, 1,040,737.41 and 356,490.45

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Solution

The fourth proportional to 693,463.41, 1,040,737.41 and 356,490.45 is: 535,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,463.41 : 1,040,737.41 = 356,490.45 : x
  2. Step 2: Convert to fraction form
    693,463.41/1,040,737.41 = 356,490.45/x
  3. Step 3: Cross multiply
    693,463.41x = 1,040,737.41 × 356,490.45
  4. Step 4: Simplify right side
    693,463.41x = 371,012,947,622.74
  5. Step 5: Solve for x
    x = 371,012,947,622.74/693,463.41
  6. Step 6: Final answer
    x = 535,014.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.