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Finding the Fourth Proportional to 605,266.80, 907,637.52 and 205,800.30

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Solution

The fourth proportional to 605,266.80, 907,637.52 and 205,800.30 is: 308,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,266.80 : 907,637.52 = 205,800.30 : x
  2. Step 2: Convert to fraction form
    605,266.80/907,637.52 = 205,800.30/x
  3. Step 3: Cross multiply
    605,266.80x = 907,637.52 × 205,800.30
  4. Step 4: Simplify right side
    605,266.80x = 186,792,073,907.26
  5. Step 5: Solve for x
    x = 186,792,073,907.26/605,266.80
  6. Step 6: Final answer
    x = 308,611.13

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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.