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Finding the Fourth Proportional to 558,889.92, 771,236.64 and 304,225.92

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Solution

The fourth proportional to 558,889.92, 771,236.64 and 304,225.92 is: 419,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,889.92 : 771,236.64 = 304,225.92 : x
  2. Step 2: Convert to fraction form
    558,889.92/771,236.64 = 304,225.92/x
  3. Step 3: Cross multiply
    558,889.92x = 771,236.64 × 304,225.92
  4. Step 4: Simplify right side
    558,889.92x = 234,630,176,341.71
  5. Step 5: Solve for x
    x = 234,630,176,341.71/558,889.92
  6. Step 6: Final answer
    x = 419,814.65

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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.