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Finding the Fourth Proportional to 438,474.51, 605,094.71 and 237,270.51

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Solution

The fourth proportional to 438,474.51, 605,094.71 and 237,270.51 is: 327,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,474.51 : 605,094.71 = 237,270.51 : x
  2. Step 2: Convert to fraction form
    438,474.51/605,094.71 = 237,270.51/x
  3. Step 3: Cross multiply
    438,474.51x = 605,094.71 × 237,270.51
  4. Step 4: Simplify right side
    438,474.51x = 143,571,129,253.65
  5. Step 5: Solve for x
    x = 143,571,129,253.65/438,474.51
  6. Step 6: Final answer
    x = 327,433.24

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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.