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Finding the Fourth Proportional to 382,145.76, 527,597.28 and 246,227.76

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Solution

The fourth proportional to 382,145.76, 527,597.28 and 246,227.76 is: 339,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,145.76 : 527,597.28 = 246,227.76 : x
  2. Step 2: Convert to fraction form
    382,145.76/527,597.28 = 246,227.76/x
  3. Step 3: Cross multiply
    382,145.76x = 527,597.28 × 246,227.76
  4. Step 4: Simplify right side
    382,145.76x = 129,909,096,436.49
  5. Step 5: Solve for x
    x = 129,909,096,436.49/382,145.76
  6. Step 6: Final answer
    x = 339,946.46

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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.