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Finding the Fourth Proportional to 283,599.68, 391,509.28 and 219,794.24

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Solution

The fourth proportional to 283,599.68, 391,509.28 and 219,794.24 is: 303,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,599.68 : 391,509.28 = 219,794.24 : x
  2. Step 2: Convert to fraction form
    283,599.68/391,509.28 = 219,794.24/x
  3. Step 3: Cross multiply
    283,599.68x = 391,509.28 × 219,794.24
  4. Step 4: Simplify right side
    283,599.68x = 86,051,484,650.55
  5. Step 5: Solve for x
    x = 86,051,484,650.55/283,599.68
  6. Step 6: Final answer
    x = 303,425.89

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1.5x scale

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.