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Finding the Fourth Proportional to 338,360.64, 466,935.52 and 187,457.28

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Solution

The fourth proportional to 338,360.64, 466,935.52 and 187,457.28 is: 258,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,360.64 : 466,935.52 = 187,457.28 : x
  2. Step 2: Convert to fraction form
    338,360.64/466,935.52 = 187,457.28/x
  3. Step 3: Cross multiply
    338,360.64x = 466,935.52 × 187,457.28
  4. Step 4: Simplify right side
    338,360.64x = 87,530,462,514.59
  5. Step 5: Solve for x
    x = 87,530,462,514.59/338,360.64
  6. Step 6: Final answer
    x = 258,689.85

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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.