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Finding the Fourth Proportional to 438,848.02, 605,606.80 and 237,644.02

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Solution

The fourth proportional to 438,848.02, 605,606.80 and 237,644.02 is: 327,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,848.02 : 605,606.80 = 237,644.02 : x
  2. Step 2: Convert to fraction form
    438,848.02/605,606.80 = 237,644.02/x
  3. Step 3: Cross multiply
    438,848.02x = 605,606.80 × 237,644.02
  4. Step 4: Simplify right side
    438,848.02x = 143,918,834,491.34
  5. Step 5: Solve for x
    x = 143,918,834,491.34/438,848.02
  6. Step 6: Final answer
    x = 327,946.87

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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.