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Finding the Fourth Proportional to 449,275.62, 619,997.31 and 248,071.62

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Solution

The fourth proportional to 449,275.62, 619,997.31 and 248,071.62 is: 342,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,275.62 : 619,997.31 = 248,071.62 : x
  2. Step 2: Convert to fraction form
    449,275.62/619,997.31 = 248,071.62/x
  3. Step 3: Cross multiply
    449,275.62x = 619,997.31 × 248,071.62
  4. Step 4: Simplify right side
    449,275.62x = 153,803,737,087.34
  5. Step 5: Solve for x
    x = 153,803,737,087.34/449,275.62
  6. Step 6: Final answer
    x = 342,337.15

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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.