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Finding the Fourth Proportional to 323,237.99, 484,856.66 and 86,574.22

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Solution

The fourth proportional to 323,237.99, 484,856.66 and 86,574.22 is: 129,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,237.99 : 484,856.66 = 86,574.22 : x
  2. Step 2: Convert to fraction form
    323,237.99/484,856.66 = 86,574.22/x
  3. Step 3: Cross multiply
    323,237.99x = 484,856.66 × 86,574.22
  4. Step 4: Simplify right side
    323,237.99x = 41,976,086,155.60
  5. Step 5: Solve for x
    x = 41,976,086,155.60/323,237.99
  6. Step 6: Final answer
    x = 129,861.24

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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.