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Finding the Fourth Proportional to 717,491.13, 1,076,285.90 and 237,718

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Solution

The fourth proportional to 717,491.13, 1,076,285.90 and 237,718 is: 356,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,491.13 : 1,076,285.90 = 237,718 : x
  2. Step 2: Convert to fraction form
    717,491.13/1,076,285.90 = 237,718/x
  3. Step 3: Cross multiply
    717,491.13x = 1,076,285.90 × 237,718
  4. Step 4: Simplify right side
    717,491.13x = 255,852,531,576.20
  5. Step 5: Solve for x
    x = 255,852,531,576.20/717,491.13
  6. Step 6: Final answer
    x = 356,593.30

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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.