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Finding the Fourth Proportional to 619,217.48, 854,437.46 and 343,570.92

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Solution

The fourth proportional to 619,217.48, 854,437.46 and 343,570.92 is: 474,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,217.48 : 854,437.46 = 343,570.92 : x
  2. Step 2: Convert to fraction form
    619,217.48/854,437.46 = 343,570.92/x
  3. Step 3: Cross multiply
    619,217.48x = 854,437.46 × 343,570.92
  4. Step 4: Simplify right side
    619,217.48x = 293,559,864,214.66
  5. Step 5: Solve for x
    x = 293,559,864,214.66/619,217.48
  6. Step 6: Final answer
    x = 474,082.00

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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.