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Finding the Fourth Proportional to 725,616.60, 1,016,913 and 725,616.60

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Solution

The fourth proportional to 725,616.60, 1,016,913 and 725,616.60 is: 1,016,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,616.60 : 1,016,913 = 725,616.60 : x
  2. Step 2: Convert to fraction form
    725,616.60/1,016,913 = 725,616.60/x
  3. Step 3: Cross multiply
    725,616.60x = 1,016,913 × 725,616.60
  4. Step 4: Simplify right side
    725,616.60x = 737,888,953,555.80
  5. Step 5: Solve for x
    x = 737,888,953,555.80/725,616.60
  6. Step 6: Final answer
    x = 1,016,913.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.