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Finding the Fourth Proportional to 438,501.72, 605,120.70 and 244,904.04

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Solution

The fourth proportional to 438,501.72, 605,120.70 and 244,904.04 is: 337,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,501.72 : 605,120.70 = 244,904.04 : x
  2. Step 2: Convert to fraction form
    438,501.72/605,120.70 = 244,904.04/x
  3. Step 3: Cross multiply
    438,501.72x = 605,120.70 × 244,904.04
  4. Step 4: Simplify right side
    438,501.72x = 148,196,504,117.63
  5. Step 5: Solve for x
    x = 148,196,504,117.63/438,501.72
  6. Step 6: Final answer
    x = 337,961.06

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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.