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Finding the Fourth Proportional to 352,603.69, 486,593.10 and 201,700.69

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Solution

The fourth proportional to 352,603.69, 486,593.10 and 201,700.69 is: 278,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,603.69 : 486,593.10 = 201,700.69 : x
  2. Step 2: Convert to fraction form
    352,603.69/486,593.10 = 201,700.69/x
  3. Step 3: Cross multiply
    352,603.69x = 486,593.10 × 201,700.69
  4. Step 4: Simplify right side
    352,603.69x = 98,146,162,802.76
  5. Step 5: Solve for x
    x = 98,146,162,802.76/352,603.69
  6. Step 6: Final answer
    x = 278,346.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.