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Finding the Fourth Proportional to 283,859.80, 425,307.71 and 171,303.54

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Solution

The fourth proportional to 283,859.80, 425,307.71 and 171,303.54 is: 256,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,859.80 : 425,307.71 = 171,303.54 : x
  2. Step 2: Convert to fraction form
    283,859.80/425,307.71 = 171,303.54/x
  3. Step 3: Cross multiply
    283,859.80x = 425,307.71 × 171,303.54
  4. Step 4: Simplify right side
    283,859.80x = 72,856,716,312.29
  5. Step 5: Solve for x
    x = 72,856,716,312.29/283,859.80
  6. Step 6: Final answer
    x = 256,664.44

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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.