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Finding the Fourth Proportional to 438,599.81, 605,269.56 and 237,395.81

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Solution

The fourth proportional to 438,599.81, 605,269.56 and 237,395.81 is: 327,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,599.81 : 605,269.56 = 237,395.81 : x
  2. Step 2: Convert to fraction form
    438,599.81/605,269.56 = 237,395.81/x
  3. Step 3: Cross multiply
    438,599.81x = 605,269.56 × 237,395.81
  4. Step 4: Simplify right side
    438,599.81x = 143,688,459,867.95
  5. Step 5: Solve for x
    x = 143,688,459,867.95/438,599.81
  6. Step 6: Final answer
    x = 327,607.21

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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.