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Finding the Fourth Proportional to 625,128, 937,847.52 and 181,896

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Solution

The fourth proportional to 625,128, 937,847.52 and 181,896 is: 272,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,128 : 937,847.52 = 181,896 : x
  2. Step 2: Convert to fraction form
    625,128/937,847.52 = 181,896/x
  3. Step 3: Cross multiply
    625,128x = 937,847.52 × 181,896
  4. Step 4: Simplify right side
    625,128x = 170,590,712,497.92
  5. Step 5: Solve for x
    x = 170,590,712,497.92/625,128
  6. Step 6: Final answer
    x = 272,889.25

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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.