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Finding the Fourth Proportional to 564,776.37, 779,395.64 and 323,044.02

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Solution

The fourth proportional to 564,776.37, 779,395.64 and 323,044.02 is: 445,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,776.37 : 779,395.64 = 323,044.02 : x
  2. Step 2: Convert to fraction form
    564,776.37/779,395.64 = 323,044.02/x
  3. Step 3: Cross multiply
    564,776.37x = 779,395.64 × 323,044.02
  4. Step 4: Simplify right side
    564,776.37x = 251,779,099,100.85
  5. Step 5: Solve for x
    x = 251,779,099,100.85/564,776.37
  6. Step 6: Final answer
    x = 445,803.18

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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.