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Finding the Fourth Proportional to 283,856.69, 425,303.04 and 171,300.39

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Solution

The fourth proportional to 283,856.69, 425,303.04 and 171,300.39 is: 256,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,856.69 : 425,303.04 = 171,300.39 : x
  2. Step 2: Convert to fraction form
    283,856.69/425,303.04 = 171,300.39/x
  3. Step 3: Cross multiply
    283,856.69x = 425,303.04 × 171,300.39
  4. Step 4: Simplify right side
    283,856.69x = 72,854,576,620.19
  5. Step 5: Solve for x
    x = 72,854,576,620.19/283,856.69
  6. Step 6: Final answer
    x = 256,659.72

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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.