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Finding the Fourth Proportional to 524,730.77, 787,120.76 and 169,772.57

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Solution

The fourth proportional to 524,730.77, 787,120.76 and 169,772.57 is: 254,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,730.77 : 787,120.76 = 169,772.57 : x
  2. Step 2: Convert to fraction form
    524,730.77/787,120.76 = 169,772.57/x
  3. Step 3: Cross multiply
    524,730.77x = 787,120.76 × 169,772.57
  4. Step 4: Simplify right side
    524,730.77x = 133,631,514,325.55
  5. Step 5: Solve for x
    x = 133,631,514,325.55/524,730.77
  6. Step 6: Final answer
    x = 254,666.82

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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.