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Finding the Fourth Proportional to 370,079.15, 554,671.40 and 180,255.08

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Solution

The fourth proportional to 370,079.15, 554,671.40 and 180,255.08 is: 270,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,079.15 : 554,671.40 = 180,255.08 : x
  2. Step 2: Convert to fraction form
    370,079.15/554,671.40 = 180,255.08/x
  3. Step 3: Cross multiply
    370,079.15x = 554,671.40 × 180,255.08
  4. Step 4: Simplify right side
    370,079.15x = 99,982,339,418.03
  5. Step 5: Solve for x
    x = 99,982,339,418.03/370,079.15
  6. Step 6: Final answer
    x = 270,164.74

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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.