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Finding the Fourth Proportional to 449,274.12, 619,995.24 and 248,070.12

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Solution

The fourth proportional to 449,274.12, 619,995.24 and 248,070.12 is: 342,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,274.12 : 619,995.24 = 248,070.12 : x
  2. Step 2: Convert to fraction form
    449,274.12/619,995.24 = 248,070.12/x
  3. Step 3: Cross multiply
    449,274.12x = 619,995.24 × 248,070.12
  4. Step 4: Simplify right side
    449,274.12x = 153,802,293,586.23
  5. Step 5: Solve for x
    x = 153,802,293,586.23/449,274.12
  6. Step 6: Final answer
    x = 342,335.08

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1.5x scale

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.