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Finding the Fourth Proportional to 333,402.72, 500,190 and 120,162.12

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Solution

The fourth proportional to 333,402.72, 500,190 and 120,162.12 is: 180,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,402.72 : 500,190 = 120,162.12 : x
  2. Step 2: Convert to fraction form
    333,402.72/500,190 = 120,162.12/x
  3. Step 3: Cross multiply
    333,402.72x = 500,190 × 120,162.12
  4. Step 4: Simplify right side
    333,402.72x = 60,103,890,802.80
  5. Step 5: Solve for x
    x = 60,103,890,802.80/333,402.72
  6. Step 6: Final answer
    x = 180,274.15

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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.