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Finding the Fourth Proportional to 501,014.97, 751,336.16 and 216,746.69

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Solution

The fourth proportional to 501,014.97, 751,336.16 and 216,746.69 is: 325,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,014.97 : 751,336.16 = 216,746.69 : x
  2. Step 2: Convert to fraction form
    501,014.97/751,336.16 = 216,746.69/x
  3. Step 3: Cross multiply
    501,014.97x = 751,336.16 × 216,746.69
  4. Step 4: Simplify right side
    501,014.97x = 162,849,620,916.90
  5. Step 5: Solve for x
    x = 162,849,620,916.90/501,014.97
  6. Step 6: Final answer
    x = 325,039.43

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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.