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Finding the Fourth Proportional to 593,330.92, 818,800.61 and 321,398.82

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Solution

The fourth proportional to 593,330.92, 818,800.61 and 321,398.82 is: 443,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,330.92 : 818,800.61 = 321,398.82 : x
  2. Step 2: Convert to fraction form
    593,330.92/818,800.61 = 321,398.82/x
  3. Step 3: Cross multiply
    593,330.92x = 818,800.61 × 321,398.82
  4. Step 4: Simplify right side
    593,330.92x = 263,161,544,168.28
  5. Step 5: Solve for x
    x = 263,161,544,168.28/593,330.92
  6. Step 6: Final answer
    x = 443,532.50

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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.