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Finding the Fourth Proportional to 438,559.66, 605,205.78 and 244,970.06

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Solution

The fourth proportional to 438,559.66, 605,205.78 and 244,970.06 is: 338,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,559.66 : 605,205.78 = 244,970.06 : x
  2. Step 2: Convert to fraction form
    438,559.66/605,205.78 = 244,970.06/x
  3. Step 3: Cross multiply
    438,559.66x = 605,205.78 × 244,970.06
  4. Step 4: Simplify right side
    438,559.66x = 148,257,296,238.95
  5. Step 5: Solve for x
    x = 148,257,296,238.95/438,559.66
  6. Step 6: Final answer
    x = 338,055.03

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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.