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Finding the Fourth Proportional to 497,970.08, 687,192.72 and 271,610.72

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Solution

The fourth proportional to 497,970.08, 687,192.72 and 271,610.72 is: 374,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,970.08 : 687,192.72 = 271,610.72 : x
  2. Step 2: Convert to fraction form
    497,970.08/687,192.72 = 271,610.72/x
  3. Step 3: Cross multiply
    497,970.08x = 687,192.72 × 271,610.72
  4. Step 4: Simplify right side
    497,970.08x = 186,648,909,457.96
  5. Step 5: Solve for x
    x = 186,648,909,457.96/497,970.08
  6. Step 6: Final answer
    x = 374,819.53

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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.