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Finding the Fourth Proportional to 501,859.56, 752,689.04 and 186,242.64

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Solution

The fourth proportional to 501,859.56, 752,689.04 and 186,242.64 is: 279,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,859.56 : 752,689.04 = 186,242.64 : x
  2. Step 2: Convert to fraction form
    501,859.56/752,689.04 = 186,242.64/x
  3. Step 3: Cross multiply
    501,859.56x = 752,689.04 × 186,242.64
  4. Step 4: Simplify right side
    501,859.56x = 140,182,793,908.67
  5. Step 5: Solve for x
    x = 140,182,793,908.67/501,859.56
  6. Step 6: Final answer
    x = 279,326.74

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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.