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Finding the Fourth Proportional to 699,532.94, 965,399.45 and 423,914.92

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Solution

The fourth proportional to 699,532.94, 965,399.45 and 423,914.92 is: 585,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,532.94 : 965,399.45 = 423,914.92 : x
  2. Step 2: Convert to fraction form
    699,532.94/965,399.45 = 423,914.92/x
  3. Step 3: Cross multiply
    699,532.94x = 965,399.45 × 423,914.92
  4. Step 4: Simplify right side
    699,532.94x = 409,247,229,261.08
  5. Step 5: Solve for x
    x = 409,247,229,261.08/699,532.94
  6. Step 6: Final answer
    x = 585,029.25

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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.