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Finding the Fourth Proportional to 438,955.66, 605,755.02 and 237,751.66

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Solution

The fourth proportional to 438,955.66, 605,755.02 and 237,751.66 is: 328,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,955.66 : 605,755.02 = 237,751.66 : x
  2. Step 2: Convert to fraction form
    438,955.66/605,755.02 = 237,751.66/x
  3. Step 3: Cross multiply
    438,955.66x = 605,755.02 × 237,751.66
  4. Step 4: Simplify right side
    438,955.66x = 144,019,261,558.33
  5. Step 5: Solve for x
    x = 144,019,261,558.33/438,955.66
  6. Step 6: Final answer
    x = 328,095.24

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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.