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Finding the Fourth Proportional to 543,922.96, 750,614.49 and 302,205.76

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Solution

The fourth proportional to 543,922.96, 750,614.49 and 302,205.76 is: 417,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,922.96 : 750,614.49 = 302,205.76 : x
  2. Step 2: Convert to fraction form
    543,922.96/750,614.49 = 302,205.76/x
  3. Step 3: Cross multiply
    543,922.96x = 750,614.49 × 302,205.76
  4. Step 4: Simplify right side
    543,922.96x = 226,840,022,417.46
  5. Step 5: Solve for x
    x = 226,840,022,417.46/543,922.96
  6. Step 6: Final answer
    x = 417,044.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.