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Finding the Fourth Proportional to 375,652.48, 563,182.26 and 186,178.09

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Solution

The fourth proportional to 375,652.48, 563,182.26 and 186,178.09 is: 279,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,652.48 : 563,182.26 = 186,178.09 : x
  2. Step 2: Convert to fraction form
    375,652.48/563,182.26 = 186,178.09/x
  3. Step 3: Cross multiply
    375,652.48x = 563,182.26 × 186,178.09
  4. Step 4: Simplify right side
    375,652.48x = 104,852,197,488.68
  5. Step 5: Solve for x
    x = 104,852,197,488.68/375,652.48
  6. Step 6: Final answer
    x = 279,120.21

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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.