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Finding the Fourth Proportional to 270,588.43, 373,451.46 and 155,844.74

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Solution

The fourth proportional to 270,588.43, 373,451.46 and 155,844.74 is: 215,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,588.43 : 373,451.46 = 155,844.74 : x
  2. Step 2: Convert to fraction form
    270,588.43/373,451.46 = 155,844.74/x
  3. Step 3: Cross multiply
    270,588.43x = 373,451.46 × 155,844.74
  4. Step 4: Simplify right side
    270,588.43x = 58,200,446,035.53
  5. Step 5: Solve for x
    x = 58,200,446,035.53/270,588.43
  6. Step 6: Final answer
    x = 215,088.45

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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.