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Finding the Fourth Proportional to 564,117.78, 845,381.04 and 311,511.98

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Solution

The fourth proportional to 564,117.78, 845,381.04 and 311,511.98 is: 466,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,117.78 : 845,381.04 = 311,511.98 : x
  2. Step 2: Convert to fraction form
    564,117.78/845,381.04 = 311,511.98/x
  3. Step 3: Cross multiply
    564,117.78x = 845,381.04 × 311,511.98
  4. Step 4: Simplify right side
    564,117.78x = 263,346,321,624.86
  5. Step 5: Solve for x
    x = 263,346,321,624.86/564,117.78
  6. Step 6: Final answer
    x = 466,828.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.