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Finding the Fourth Proportional to 270,153.19, 404,867.57 and 210,254.00

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Solution

The fourth proportional to 270,153.19, 404,867.57 and 210,254.00 is: 315,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,153.19 : 404,867.57 = 210,254.00 : x
  2. Step 2: Convert to fraction form
    270,153.19/404,867.57 = 210,254.00/x
  3. Step 3: Cross multiply
    270,153.19x = 404,867.57 × 210,254.00
  4. Step 4: Simplify right side
    270,153.19x = 85,125,022,987.17
  5. Step 5: Solve for x
    x = 85,125,022,987.17/270,153.19
  6. Step 6: Final answer
    x = 315,099.09

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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.