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Finding the Fourth Proportional to 554,695.50, 832,108.86 and 180,718.50

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Solution

The fourth proportional to 554,695.50, 832,108.86 and 180,718.50 is: 271,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,695.50 : 832,108.86 = 180,718.50 : x
  2. Step 2: Convert to fraction form
    554,695.50/832,108.86 = 180,718.50/x
  3. Step 3: Cross multiply
    554,695.50x = 832,108.86 × 180,718.50
  4. Step 4: Simplify right side
    554,695.50x = 150,377,465,015.91
  5. Step 5: Solve for x
    x = 150,377,465,015.91/554,695.50
  6. Step 6: Final answer
    x = 271,099.13

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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.