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Finding the Fourth Proportional to 438,800.64, 605,544 and 237,597.12

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Solution

The fourth proportional to 438,800.64, 605,544 and 237,597.12 is: 327,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,800.64 : 605,544 = 237,597.12 : x
  2. Step 2: Convert to fraction form
    438,800.64/605,544 = 237,597.12/x
  3. Step 3: Cross multiply
    438,800.64x = 605,544 × 237,597.12
  4. Step 4: Simplify right side
    438,800.64x = 143,875,510,433.28
  5. Step 5: Solve for x
    x = 143,875,510,433.28/438,800.64
  6. Step 6: Final answer
    x = 327,883.55

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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.