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Finding the Fourth Proportional to 380,475.31, 524,803.11 and 244,680.94

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Solution

The fourth proportional to 380,475.31, 524,803.11 and 244,680.94 is: 337,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,475.31 : 524,803.11 = 244,680.94 : x
  2. Step 2: Convert to fraction form
    380,475.31/524,803.11 = 244,680.94/x
  3. Step 3: Cross multiply
    380,475.31x = 524,803.11 × 244,680.94
  4. Step 4: Simplify right side
    380,475.31x = 128,409,318,269.72
  5. Step 5: Solve for x
    x = 128,409,318,269.72/380,475.31
  6. Step 6: Final answer
    x = 337,497.11

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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.