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Finding the Fourth Proportional to 324,681.69, 487,022.50 and 88,018.21

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Solution

The fourth proportional to 324,681.69, 487,022.50 and 88,018.21 is: 132,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,681.69 : 487,022.50 = 88,018.21 : x
  2. Step 2: Convert to fraction form
    324,681.69/487,022.50 = 88,018.21/x
  3. Step 3: Cross multiply
    324,681.69x = 487,022.50 × 88,018.21
  4. Step 4: Simplify right side
    324,681.69x = 42,866,848,679.73
  5. Step 5: Solve for x
    x = 42,866,848,679.73/324,681.69
  6. Step 6: Final answer
    x = 132,027.31

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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.