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Finding the Fourth Proportional to 331,866.30, 497,410.65 and 248,663.10

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Solution

The fourth proportional to 331,866.30, 497,410.65 and 248,663.10 is: 372,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,866.30 : 497,410.65 = 248,663.10 : x
  2. Step 2: Convert to fraction form
    331,866.30/497,410.65 = 248,663.10/x
  3. Step 3: Cross multiply
    331,866.30x = 497,410.65 × 248,663.10
  4. Step 4: Simplify right side
    331,866.30x = 123,687,674,202.02
  5. Step 5: Solve for x
    x = 123,687,674,202.02/331,866.30
  6. Step 6: Final answer
    x = 372,703.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.