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Finding the Fourth Proportional to 438,792.96, 605,534.72 and 237,588.48

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Solution

The fourth proportional to 438,792.96, 605,534.72 and 237,588.48 is: 327,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,792.96 : 605,534.72 = 237,588.48 : x
  2. Step 2: Convert to fraction form
    438,792.96/605,534.72 = 237,588.48/x
  3. Step 3: Cross multiply
    438,792.96x = 605,534.72 × 237,588.48
  4. Step 4: Simplify right side
    438,792.96x = 143,868,073,712.03
  5. Step 5: Solve for x
    x = 143,868,073,712.03/438,792.96
  6. Step 6: Final answer
    x = 327,872.34

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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.