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Finding the Fourth Proportional to 230,254.92, 343,693.59 and 213,369.51

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Solution

The fourth proportional to 230,254.92, 343,693.59 and 213,369.51 is: 318,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,254.92 : 343,693.59 = 213,369.51 : x
  2. Step 2: Convert to fraction form
    230,254.92/343,693.59 = 213,369.51/x
  3. Step 3: Cross multiply
    230,254.92x = 343,693.59 × 213,369.51
  4. Step 4: Simplify right side
    230,254.92x = 73,333,732,888.44
  5. Step 5: Solve for x
    x = 73,333,732,888.44/230,254.92
  6. Step 6: Final answer
    x = 318,489.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.