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Finding the Fourth Proportional to 473,607.72, 653,578.38 and 269,648.10

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Solution

The fourth proportional to 473,607.72, 653,578.38 and 269,648.10 is: 372,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,607.72 : 653,578.38 = 269,648.10 : x
  2. Step 2: Convert to fraction form
    473,607.72/653,578.38 = 269,648.10/x
  3. Step 3: Cross multiply
    473,607.72x = 653,578.38 × 269,648.10
  4. Step 4: Simplify right side
    473,607.72x = 176,236,168,368.08
  5. Step 5: Solve for x
    x = 176,236,168,368.08/473,607.72
  6. Step 6: Final answer
    x = 372,114.22

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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.