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Finding the Fourth Proportional to 461,760.42, 692,039.84 and 187,887.45

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Solution

The fourth proportional to 461,760.42, 692,039.84 and 187,887.45 is: 281,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,760.42 : 692,039.84 = 187,887.45 : x
  2. Step 2: Convert to fraction form
    461,760.42/692,039.84 = 187,887.45/x
  3. Step 3: Cross multiply
    461,760.42x = 692,039.84 × 187,887.45
  4. Step 4: Simplify right side
    461,760.42x = 130,025,602,491.72
  5. Step 5: Solve for x
    x = 130,025,602,491.72/461,760.42
  6. Step 6: Final answer
    x = 281,586.72

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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.