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Finding the Fourth Proportional to 563,877.72, 845,845.20 and 164,548.80

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Solution

The fourth proportional to 563,877.72, 845,845.20 and 164,548.80 is: 246,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,877.72 : 845,845.20 = 164,548.80 : x
  2. Step 2: Convert to fraction form
    563,877.72/845,845.20 = 164,548.80/x
  3. Step 3: Cross multiply
    563,877.72x = 845,845.20 × 164,548.80
  4. Step 4: Simplify right side
    563,877.72x = 139,182,812,645.76
  5. Step 5: Solve for x
    x = 139,182,812,645.76/563,877.72
  6. Step 6: Final answer
    x = 246,831.55

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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.