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Finding the Fourth Proportional to 473,608.72, 653,579.76 and 269,649.10

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Solution

The fourth proportional to 473,608.72, 653,579.76 and 269,649.10 is: 372,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,608.72 : 653,579.76 = 269,649.10 : x
  2. Step 2: Convert to fraction form
    473,608.72/653,579.76 = 269,649.10/x
  3. Step 3: Cross multiply
    473,608.72x = 653,579.76 × 269,649.10
  4. Step 4: Simplify right side
    473,608.72x = 176,237,194,062.22
  5. Step 5: Solve for x
    x = 176,237,194,062.22/473,608.72
  6. Step 6: Final answer
    x = 372,115.60

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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.