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Finding the Fourth Proportional to 283,518.77, 425,130.47 and 133,718.83

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Solution

The fourth proportional to 283,518.77, 425,130.47 and 133,718.83 is: 200,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,518.77 : 425,130.47 = 133,718.83 : x
  2. Step 2: Convert to fraction form
    283,518.77/425,130.47 = 133,718.83/x
  3. Step 3: Cross multiply
    283,518.77x = 425,130.47 × 133,718.83
  4. Step 4: Simplify right side
    283,518.77x = 56,847,947,314.33
  5. Step 5: Solve for x
    x = 56,847,947,314.33/283,518.77
  6. Step 6: Final answer
    x = 200,508.58

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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.