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Finding the Fourth Proportional to 492,224.91, 679,270.78 and 265,870.41

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Solution

The fourth proportional to 492,224.91, 679,270.78 and 265,870.41 is: 366,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,224.91 : 679,270.78 = 265,870.41 : x
  2. Step 2: Convert to fraction form
    492,224.91/679,270.78 = 265,870.41/x
  3. Step 3: Cross multiply
    492,224.91x = 679,270.78 × 265,870.41
  4. Step 4: Simplify right side
    492,224.91x = 180,597,997,069.17
  5. Step 5: Solve for x
    x = 180,597,997,069.17/492,224.91
  6. Step 6: Final answer
    x = 366,901.38

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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.