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Finding the Fourth Proportional to 283,812.83, 425,237.46 and 171,256.51

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Solution

The fourth proportional to 283,812.83, 425,237.46 and 171,256.51 is: 256,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,812.83 : 425,237.46 = 171,256.51 : x
  2. Step 2: Convert to fraction form
    283,812.83/425,237.46 = 171,256.51/x
  3. Step 3: Cross multiply
    283,812.83x = 425,237.46 × 171,256.51
  4. Step 4: Simplify right side
    283,812.83x = 72,824,683,210.20
  5. Step 5: Solve for x
    x = 72,824,683,210.20/283,812.83
  6. Step 6: Final answer
    x = 256,594.05

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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.