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Finding the Fourth Proportional to 320,010.70, 480,016.05 and 237,066.70

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Solution

The fourth proportional to 320,010.70, 480,016.05 and 237,066.70 is: 355,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,010.70 : 480,016.05 = 237,066.70 : x
  2. Step 2: Convert to fraction form
    320,010.70/480,016.05 = 237,066.70/x
  3. Step 3: Cross multiply
    320,010.70x = 480,016.05 × 237,066.70
  4. Step 4: Simplify right side
    320,010.70x = 113,795,820,920.54
  5. Step 5: Solve for x
    x = 113,795,820,920.54/320,010.70
  6. Step 6: Final answer
    x = 355,600.05

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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.