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Finding the Fourth Proportional to 337,916.71, 507,049.79 and 148,509.98

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Solution

The fourth proportional to 337,916.71, 507,049.79 and 148,509.98 is: 222,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,916.71 : 507,049.79 = 148,509.98 : x
  2. Step 2: Convert to fraction form
    337,916.71/507,049.79 = 148,509.98/x
  3. Step 3: Cross multiply
    337,916.71x = 507,049.79 × 148,509.98
  4. Step 4: Simplify right side
    337,916.71x = 75,301,954,171.90
  5. Step 5: Solve for x
    x = 75,301,954,171.90/337,916.71
  6. Step 6: Final answer
    x = 222,841.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.