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Finding the Fourth Proportional to 333,699.60, 500,447.15 and 120,441.47

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Solution

The fourth proportional to 333,699.60, 500,447.15 and 120,441.47 is: 180,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,699.60 : 500,447.15 = 120,441.47 : x
  2. Step 2: Convert to fraction form
    333,699.60/500,447.15 = 120,441.47/x
  3. Step 3: Cross multiply
    333,699.60x = 500,447.15 × 120,441.47
  4. Step 4: Simplify right side
    333,699.60x = 60,274,587,298.87
  5. Step 5: Solve for x
    x = 60,274,587,298.87/333,699.60
  6. Step 6: Final answer
    x = 180,625.29

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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.