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Finding the Fourth Proportional to 473,433, 653,356.98 and 272,229

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Solution

The fourth proportional to 473,433, 653,356.98 and 272,229 is: 375,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,433 : 653,356.98 = 272,229 : x
  2. Step 2: Convert to fraction form
    473,433/653,356.98 = 272,229/x
  3. Step 3: Cross multiply
    473,433x = 653,356.98 × 272,229
  4. Step 4: Simplify right side
    473,433x = 177,862,717,308.42
  5. Step 5: Solve for x
    x = 177,862,717,308.42/473,433
  6. Step 6: Final answer
    x = 375,687.20

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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.