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Finding the Fourth Proportional to 500,334.76, 750,275.56 and 215,891.08

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Solution

The fourth proportional to 500,334.76, 750,275.56 and 215,891.08 is: 323,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,334.76 : 750,275.56 = 215,891.08 : x
  2. Step 2: Convert to fraction form
    500,334.76/750,275.56 = 215,891.08/x
  3. Step 3: Cross multiply
    500,334.76x = 750,275.56 × 215,891.08
  4. Step 4: Simplify right side
    500,334.76x = 161,977,800,946.01
  5. Step 5: Solve for x
    x = 161,977,800,946.01/500,334.76
  6. Step 6: Final answer
    x = 323,738.85

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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.