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Finding the Fourth Proportional to 558,950.50, 771,353.52 and 304,303.51

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Solution

The fourth proportional to 558,950.50, 771,353.52 and 304,303.51 is: 419,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,950.50 : 771,353.52 = 304,303.51 : x
  2. Step 2: Convert to fraction form
    558,950.50/771,353.52 = 304,303.51/x
  3. Step 3: Cross multiply
    558,950.50x = 771,353.52 × 304,303.51
  4. Step 4: Simplify right side
    558,950.50x = 234,725,583,586.86
  5. Step 5: Solve for x
    x = 234,725,583,586.86/558,950.50
  6. Step 6: Final answer
    x = 419,939.84

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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.