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Finding the Fourth Proportional to 693,805.91, 957,101.49 and 464,372.81

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Solution

The fourth proportional to 693,805.91, 957,101.49 and 464,372.81 is: 640,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,805.91 : 957,101.49 = 464,372.81 : x
  2. Step 2: Convert to fraction form
    693,805.91/957,101.49 = 464,372.81/x
  3. Step 3: Cross multiply
    693,805.91x = 957,101.49 × 464,372.81
  4. Step 4: Simplify right side
    693,805.91x = 444,451,908,366.49
  5. Step 5: Solve for x
    x = 444,451,908,366.49/693,805.91
  6. Step 6: Final answer
    x = 640,599.77

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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.