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Finding the Fourth Proportional to 517,443.50, 713,983.19 and 475,587.26

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Solution

The fourth proportional to 517,443.50, 713,983.19 and 475,587.26 is: 656,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,443.50 : 713,983.19 = 475,587.26 : x
  2. Step 2: Convert to fraction form
    517,443.50/713,983.19 = 475,587.26/x
  3. Step 3: Cross multiply
    517,443.50x = 713,983.19 × 475,587.26
  4. Step 4: Simplify right side
    517,443.50x = 339,561,308,422.92
  5. Step 5: Solve for x
    x = 339,561,308,422.92/517,443.50
  6. Step 6: Final answer
    x = 656,228.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.