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Finding the Fourth Proportional to 524,857.95, 787,411.86 and 169,871.94

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Solution

The fourth proportional to 524,857.95, 787,411.86 and 169,871.94 is: 254,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,857.95 : 787,411.86 = 169,871.94 : x
  2. Step 2: Convert to fraction form
    524,857.95/787,411.86 = 169,871.94/x
  3. Step 3: Cross multiply
    524,857.95x = 787,411.86 × 169,871.94
  4. Step 4: Simplify right side
    524,857.95x = 133,759,180,237.21
  5. Step 5: Solve for x
    x = 133,759,180,237.21/524,857.95
  6. Step 6: Final answer
    x = 254,848.35

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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.