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Finding the Fourth Proportional to 282,562.74, 423,866.00 and 80,155.44

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Solution

The fourth proportional to 282,562.74, 423,866.00 and 80,155.44 is: 120,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,562.74 : 423,866.00 = 80,155.44 : x
  2. Step 2: Convert to fraction form
    282,562.74/423,866.00 = 80,155.44/x
  3. Step 3: Cross multiply
    282,562.74x = 423,866.00 × 80,155.44
  4. Step 4: Simplify right side
    282,562.74x = 33,975,165,330.26
  5. Step 5: Solve for x
    x = 33,975,165,330.26/282,562.74
  6. Step 6: Final answer
    x = 120,239.37

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1.5x scale

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.