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Finding the Fourth Proportional to 508,234.68, 701,351.01 and 290,429.51

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Solution

The fourth proportional to 508,234.68, 701,351.01 and 290,429.51 is: 400,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,234.68 : 701,351.01 = 290,429.51 : x
  2. Step 2: Convert to fraction form
    508,234.68/701,351.01 = 290,429.51/x
  3. Step 3: Cross multiply
    508,234.68x = 701,351.01 × 290,429.51
  4. Step 4: Simplify right side
    508,234.68x = 203,693,026,665.55
  5. Step 5: Solve for x
    x = 203,693,026,665.55/508,234.68
  6. Step 6: Final answer
    x = 400,785.37

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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.