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Finding the Fourth Proportional to 270,573.94, 405,417.62 and 144,079.88

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Solution

The fourth proportional to 270,573.94, 405,417.62 and 144,079.88 is: 215,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,573.94 : 405,417.62 = 144,079.88 : x
  2. Step 2: Convert to fraction form
    270,573.94/405,417.62 = 144,079.88/x
  3. Step 3: Cross multiply
    270,573.94x = 405,417.62 × 144,079.88
  4. Step 4: Simplify right side
    270,573.94x = 58,412,522,039.49
  5. Step 5: Solve for x
    x = 58,412,522,039.49/270,573.94
  6. Step 6: Final answer
    x = 215,883.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.