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Finding the Fourth Proportional to 530,158.17, 795,735.47 and 277,619.88

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Solution

The fourth proportional to 530,158.17, 795,735.47 and 277,619.88 is: 416,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,158.17 : 795,735.47 = 277,619.88 : x
  2. Step 2: Convert to fraction form
    530,158.17/795,735.47 = 277,619.88/x
  3. Step 3: Cross multiply
    530,158.17x = 795,735.47 × 277,619.88
  4. Step 4: Simplify right side
    530,158.17x = 220,911,984,305.04
  5. Step 5: Solve for x
    x = 220,911,984,305.04/530,158.17
  6. Step 6: Final answer
    x = 416,690.71

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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.