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Finding the Fourth Proportional to 333,580.25, 500,371.38 and 80,859.74

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Solution

The fourth proportional to 333,580.25, 500,371.38 and 80,859.74 is: 121,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,580.25 : 500,371.38 = 80,859.74 : x
  2. Step 2: Convert to fraction form
    333,580.25/500,371.38 = 80,859.74/x
  3. Step 3: Cross multiply
    333,580.25x = 500,371.38 × 80,859.74
  4. Step 4: Simplify right side
    333,580.25x = 40,459,900,941.17
  5. Step 5: Solve for x
    x = 40,459,900,941.17/333,580.25
  6. Step 6: Final answer
    x = 121,289.86

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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.