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Finding the Fourth Proportional to 629,316.72, 943,186.68 and 495,669

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Solution

The fourth proportional to 629,316.72, 943,186.68 and 495,669 is: 742,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,316.72 : 943,186.68 = 495,669 : x
  2. Step 2: Convert to fraction form
    629,316.72/943,186.68 = 495,669/x
  3. Step 3: Cross multiply
    629,316.72x = 943,186.68 × 495,669
  4. Step 4: Simplify right side
    629,316.72x = 467,508,398,488.92
  5. Step 5: Solve for x
    x = 467,508,398,488.92/629,316.72
  6. Step 6: Final answer
    x = 742,882.53

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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.