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Finding the Fourth Proportional to 593,227.77, 817,998.34 and 378,026.97

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Solution

The fourth proportional to 593,227.77, 817,998.34 and 378,026.97 is: 521,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,227.77 : 817,998.34 = 378,026.97 : x
  2. Step 2: Convert to fraction form
    593,227.77/817,998.34 = 378,026.97/x
  3. Step 3: Cross multiply
    593,227.77x = 817,998.34 × 378,026.97
  4. Step 4: Simplify right side
    593,227.77x = 309,225,433,935.23
  5. Step 5: Solve for x
    x = 309,225,433,935.23/593,227.77
  6. Step 6: Final answer
    x = 521,259.20

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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.