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Finding the Fourth Proportional to 543,835.20, 750,599.28 and 347,475.44

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Solution

The fourth proportional to 543,835.20, 750,599.28 and 347,475.44 is: 479,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,835.20 : 750,599.28 = 347,475.44 : x
  2. Step 2: Convert to fraction form
    543,835.20/750,599.28 = 347,475.44/x
  3. Step 3: Cross multiply
    543,835.20x = 750,599.28 × 347,475.44
  4. Step 4: Simplify right side
    543,835.20x = 260,814,815,081.68
  5. Step 5: Solve for x
    x = 260,814,815,081.68/543,835.20
  6. Step 6: Final answer
    x = 479,584.28

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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.