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Finding the Fourth Proportional to 564,650.52, 779,219.02 and 310,018.04

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Solution

The fourth proportional to 564,650.52, 779,219.02 and 310,018.04 is: 427,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,650.52 : 779,219.02 = 310,018.04 : x
  2. Step 2: Convert to fraction form
    564,650.52/779,219.02 = 310,018.04/x
  3. Step 3: Cross multiply
    564,650.52x = 779,219.02 × 310,018.04
  4. Step 4: Simplify right side
    564,650.52x = 241,571,953,311.12
  5. Step 5: Solve for x
    x = 241,571,953,311.12/564,650.52
  6. Step 6: Final answer
    x = 427,825.61

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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.