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Finding the Fourth Proportional to 453,898.50, 680,786.46 and 187,622.07

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Solution

The fourth proportional to 453,898.50, 680,786.46 and 187,622.07 is: 281,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,898.50 : 680,786.46 = 187,622.07 : x
  2. Step 2: Convert to fraction form
    453,898.50/680,786.46 = 187,622.07/x
  3. Step 3: Cross multiply
    453,898.50x = 680,786.46 × 187,622.07
  4. Step 4: Simplify right side
    453,898.50x = 127,730,564,853.17
  5. Step 5: Solve for x
    x = 127,730,564,853.17/453,898.50
  6. Step 6: Final answer
    x = 281,407.77

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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.