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Finding the Fourth Proportional to 338,752.37, 508,325.40 and 151,763.87

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Solution

The fourth proportional to 338,752.37, 508,325.40 and 151,763.87 is: 227,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,752.37 : 508,325.40 = 151,763.87 : x
  2. Step 2: Convert to fraction form
    338,752.37/508,325.40 = 151,763.87/x
  3. Step 3: Cross multiply
    338,752.37x = 508,325.40 × 151,763.87
  4. Step 4: Simplify right side
    338,752.37x = 77,145,427,381.67
  5. Step 5: Solve for x
    x = 77,145,427,381.67/338,752.37
  6. Step 6: Final answer
    x = 227,733.99

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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.