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Finding the Fourth Proportional to 637,299.91, 955,620.45 and 187,963.45

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Solution

The fourth proportional to 637,299.91, 955,620.45 and 187,963.45 is: 281,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,299.91 : 955,620.45 = 187,963.45 : x
  2. Step 2: Convert to fraction form
    637,299.91/955,620.45 = 187,963.45/x
  3. Step 3: Cross multiply
    637,299.91x = 955,620.45 × 187,963.45
  4. Step 4: Simplify right side
    637,299.91x = 179,621,714,283.50
  5. Step 5: Solve for x
    x = 179,621,714,283.50/637,299.91
  6. Step 6: Final answer
    x = 281,848.01

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1.5x scale

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.