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Finding the Fourth Proportional to 473,810.43, 653,900.54 and 269,816.79

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Solution

The fourth proportional to 473,810.43, 653,900.54 and 269,816.79 is: 372,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,810.43 : 653,900.54 = 269,816.79 : x
  2. Step 2: Convert to fraction form
    473,810.43/653,900.54 = 269,816.79/x
  3. Step 3: Cross multiply
    473,810.43x = 653,900.54 × 269,816.79
  4. Step 4: Simplify right side
    473,810.43x = 176,433,343,332.98
  5. Step 5: Solve for x
    x = 176,433,343,332.98/473,810.43
  6. Step 6: Final answer
    x = 372,371.17

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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.