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Finding the Fourth Proportional to 563,857.36, 845,695.92 and 164,404.72

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Solution

The fourth proportional to 563,857.36, 845,695.92 and 164,404.72 is: 246,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,857.36 : 845,695.92 = 164,404.72 : x
  2. Step 2: Convert to fraction form
    563,857.36/845,695.92 = 164,404.72/x
  3. Step 3: Cross multiply
    563,857.36x = 845,695.92 × 164,404.72
  4. Step 4: Simplify right side
    563,857.36x = 139,036,400,932.74
  5. Step 5: Solve for x
    x = 139,036,400,932.74/563,857.36
  6. Step 6: Final answer
    x = 246,580.80

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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.