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Finding the Fourth Proportional to 283,510.56, 425,118.19 and 133,710.63

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Solution

The fourth proportional to 283,510.56, 425,118.19 and 133,710.63 is: 200,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,510.56 : 425,118.19 = 133,710.63 : x
  2. Step 2: Convert to fraction form
    283,510.56/425,118.19 = 133,710.63/x
  3. Step 3: Cross multiply
    283,510.56x = 425,118.19 × 133,710.63
  4. Step 4: Simplify right side
    283,510.56x = 56,842,821,009.36
  5. Step 5: Solve for x
    x = 56,842,821,009.36/283,510.56
  6. Step 6: Final answer
    x = 200,496.31

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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.