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Finding the Fourth Proportional to 343,552.14, 515,344.38 and 283,469.16

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Solution

The fourth proportional to 343,552.14, 515,344.38 and 283,469.16 is: 425,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,552.14 : 515,344.38 = 283,469.16 : x
  2. Step 2: Convert to fraction form
    343,552.14/515,344.38 = 283,469.16/x
  3. Step 3: Cross multiply
    343,552.14x = 515,344.38 × 283,469.16
  4. Step 4: Simplify right side
    343,552.14x = 146,084,238,509.32
  5. Step 5: Solve for x
    x = 146,084,238,509.32/343,552.14
  6. Step 6: Final answer
    x = 425,217.08

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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.