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Finding the Fourth Proportional to 563,878.72, 845,846.70 and 164,549.80

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Solution

The fourth proportional to 563,878.72, 845,846.70 and 164,549.80 is: 246,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,878.72 : 845,846.70 = 164,549.80 : x
  2. Step 2: Convert to fraction form
    563,878.72/845,846.70 = 164,549.80/x
  3. Step 3: Cross multiply
    563,878.72x = 845,846.70 × 164,549.80
  4. Step 4: Simplify right side
    563,878.72x = 139,183,905,315.66
  5. Step 5: Solve for x
    x = 139,183,905,315.66/563,878.72
  6. Step 6: Final answer
    x = 246,833.05

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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.