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Finding the Fourth Proportional to 605,237.40, 907,637.40 and 245,257.20

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Solution

The fourth proportional to 605,237.40, 907,637.40 and 245,257.20 is: 367,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,237.40 : 907,637.40 = 245,257.20 : x
  2. Step 2: Convert to fraction form
    605,237.40/907,637.40 = 245,257.20/x
  3. Step 3: Cross multiply
    605,237.40x = 907,637.40 × 245,257.20
  4. Step 4: Simplify right side
    605,237.40x = 222,604,607,339.28
  5. Step 5: Solve for x
    x = 222,604,607,339.28/605,237.40
  6. Step 6: Final answer
    x = 367,797.18

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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.