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Finding the Fourth Proportional to 666,601.25, 999,900.25 and 223,369.25

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Solution

The fourth proportional to 666,601.25, 999,900.25 and 223,369.25 is: 335,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,601.25 : 999,900.25 = 223,369.25 : x
  2. Step 2: Convert to fraction form
    666,601.25/999,900.25 = 223,369.25/x
  3. Step 3: Cross multiply
    666,601.25x = 999,900.25 × 223,369.25
  4. Step 4: Simplify right side
    666,601.25x = 223,346,963,359.39
  5. Step 5: Solve for x
    x = 223,346,963,359.39/666,601.25
  6. Step 6: Final answer
    x = 335,053.32

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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.