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Finding the Fourth Proportional to 514,996.61, 772,230.22 and 302,184.07

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Solution

The fourth proportional to 514,996.61, 772,230.22 and 302,184.07 is: 453,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,996.61 : 772,230.22 = 302,184.07 : x
  2. Step 2: Convert to fraction form
    514,996.61/772,230.22 = 302,184.07/x
  3. Step 3: Cross multiply
    514,996.61x = 772,230.22 × 302,184.07
  4. Step 4: Simplify right side
    514,996.61x = 233,355,668,170.56
  5. Step 5: Solve for x
    x = 233,355,668,170.56/514,996.61
  6. Step 6: Final answer
    x = 453,120.79

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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.