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Finding the Fourth Proportional to 546,218, 753,773.28 and 304,520.48

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Solution

The fourth proportional to 546,218, 753,773.28 and 304,520.48 is: 420,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,218 : 753,773.28 = 304,520.48 : x
  2. Step 2: Convert to fraction form
    546,218/753,773.28 = 304,520.48/x
  3. Step 3: Cross multiply
    546,218x = 753,773.28 × 304,520.48
  4. Step 4: Simplify right side
    546,218x = 229,539,401,036.77
  5. Step 5: Solve for x
    x = 229,539,401,036.77/546,218
  6. Step 6: Final answer
    x = 420,234.05

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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.