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Finding the Fourth Proportional to 270,509.49, 373,331.16 and 155,792.23

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Solution

The fourth proportional to 270,509.49, 373,331.16 and 155,792.23 is: 215,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,509.49 : 373,331.16 = 155,792.23 : x
  2. Step 2: Convert to fraction form
    270,509.49/373,331.16 = 155,792.23/x
  3. Step 3: Cross multiply
    270,509.49x = 373,331.16 × 155,792.23
  4. Step 4: Simplify right side
    270,509.49x = 58,162,093,011.56
  5. Step 5: Solve for x
    x = 58,162,093,011.56/270,509.49
  6. Step 6: Final answer
    x = 215,009.44

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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.