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Finding the Fourth Proportional to 338,708.43, 508,062.66 and 114,050.06

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Solution

The fourth proportional to 338,708.43, 508,062.66 and 114,050.06 is: 171,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,708.43 : 508,062.66 = 114,050.06 : x
  2. Step 2: Convert to fraction form
    338,708.43/508,062.66 = 114,050.06/x
  3. Step 3: Cross multiply
    338,708.43x = 508,062.66 × 114,050.06
  4. Step 4: Simplify right side
    338,708.43x = 57,944,576,856.76
  5. Step 5: Solve for x
    x = 57,944,576,856.76/338,708.43
  6. Step 6: Final answer
    x = 171,075.10

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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.