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Finding the Fourth Proportional to 438,563.29, 605,210.78 and 244,973.69

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Solution

The fourth proportional to 438,563.29, 605,210.78 and 244,973.69 is: 338,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,563.29 : 605,210.78 = 244,973.69 : x
  2. Step 2: Convert to fraction form
    438,563.29/605,210.78 = 244,973.69/x
  3. Step 3: Cross multiply
    438,563.29x = 605,210.78 × 244,973.69
  4. Step 4: Simplify right side
    438,563.29x = 148,260,720,129.84
  5. Step 5: Solve for x
    x = 148,260,720,129.84/438,563.29
  6. Step 6: Final answer
    x = 338,060.03

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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.