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Finding the Fourth Proportional to 501,585.88, 752,390.37 and 122,509.76

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Solution

The fourth proportional to 501,585.88, 752,390.37 and 122,509.76 is: 183,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,585.88 : 752,390.37 = 122,509.76 : x
  2. Step 2: Convert to fraction form
    501,585.88/752,390.37 = 122,509.76/x
  3. Step 3: Cross multiply
    501,585.88x = 752,390.37 × 122,509.76
  4. Step 4: Simplify right side
    501,585.88x = 92,175,163,655.01
  5. Step 5: Solve for x
    x = 92,175,163,655.01/501,585.88
  6. Step 6: Final answer
    x = 183,767.46

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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.