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Finding the Fourth Proportional to 473,812.44, 653,903.30 and 269,818.80

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Solution

The fourth proportional to 473,812.44, 653,903.30 and 269,818.80 is: 372,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,812.44 : 653,903.30 = 269,818.80 : x
  2. Step 2: Convert to fraction form
    473,812.44/653,903.30 = 269,818.80/x
  3. Step 3: Cross multiply
    473,812.44x = 653,903.30 × 269,818.80
  4. Step 4: Simplify right side
    473,812.44x = 176,435,403,722.04
  5. Step 5: Solve for x
    x = 176,435,403,722.04/473,812.44
  6. Step 6: Final answer
    x = 372,373.94

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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.