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Finding the Fourth Proportional to 554,670.08, 830,372.16 and 343,629.44

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Solution

The fourth proportional to 554,670.08, 830,372.16 and 343,629.44 is: 514,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,670.08 : 830,372.16 = 343,629.44 : x
  2. Step 2: Convert to fraction form
    554,670.08/830,372.16 = 343,629.44/x
  3. Step 3: Cross multiply
    554,670.08x = 830,372.16 × 343,629.44
  4. Step 4: Simplify right side
    554,670.08x = 285,340,320,332.39
  5. Step 5: Solve for x
    x = 285,340,320,332.39/554,670.08
  6. Step 6: Final answer
    x = 514,432.51

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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.