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Finding the Fourth Proportional to 283,560.87, 425,330.30 and 70,329.32

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Solution

The fourth proportional to 283,560.87, 425,330.30 and 70,329.32 is: 105,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,560.87 : 425,330.30 = 70,329.32 : x
  2. Step 2: Convert to fraction form
    283,560.87/425,330.30 = 70,329.32/x
  3. Step 3: Cross multiply
    283,560.87x = 425,330.30 × 70,329.32
  4. Step 4: Simplify right side
    283,560.87x = 29,913,188,647.74
  5. Step 5: Solve for x
    x = 29,913,188,647.74/283,560.87
  6. Step 6: Final answer
    x = 105,491.24

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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.