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Finding the Fourth Proportional to 326,671.80, 450,775.71 and 183,399

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Solution

The fourth proportional to 326,671.80, 450,775.71 and 183,399 is: 253,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,671.80 : 450,775.71 = 183,399 : x
  2. Step 2: Convert to fraction form
    326,671.80/450,775.71 = 183,399/x
  3. Step 3: Cross multiply
    326,671.80x = 450,775.71 × 183,399
  4. Step 4: Simplify right side
    326,671.80x = 82,671,814,438.29
  5. Step 5: Solve for x
    x = 82,671,814,438.29/326,671.80
  6. Step 6: Final answer
    x = 253,073.01

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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.