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Finding the Fourth Proportional to 283,847.66, 425,289.65 and 171,291.40

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Solution

The fourth proportional to 283,847.66, 425,289.65 and 171,291.40 is: 256,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,847.66 : 425,289.65 = 171,291.40 : x
  2. Step 2: Convert to fraction form
    283,847.66/425,289.65 = 171,291.40/x
  3. Step 3: Cross multiply
    283,847.66x = 425,289.65 × 171,291.40
  4. Step 4: Simplify right side
    283,847.66x = 72,848,459,554.01
  5. Step 5: Solve for x
    x = 72,848,459,554.01/283,847.66
  6. Step 6: Final answer
    x = 256,646.33

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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.