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Finding the Fourth Proportional to 545,056.98, 817,592.76 and 171,079.98

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Solution

The fourth proportional to 545,056.98, 817,592.76 and 171,079.98 is: 256,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,056.98 : 817,592.76 = 171,079.98 : x
  2. Step 2: Convert to fraction form
    545,056.98/817,592.76 = 171,079.98/x
  3. Step 3: Cross multiply
    545,056.98x = 817,592.76 × 171,079.98
  4. Step 4: Simplify right side
    545,056.98x = 139,873,753,028.95
  5. Step 5: Solve for x
    x = 139,873,753,028.95/545,056.98
  6. Step 6: Final answer
    x = 256,622.26

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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.