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Finding the Fourth Proportional to 548,422.44, 822,301.54 and 358,653.76

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Solution

The fourth proportional to 548,422.44, 822,301.54 and 358,653.76 is: 537,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,422.44 : 822,301.54 = 358,653.76 : x
  2. Step 2: Convert to fraction form
    548,422.44/822,301.54 = 358,653.76/x
  3. Step 3: Cross multiply
    548,422.44x = 822,301.54 × 358,653.76
  4. Step 4: Simplify right side
    548,422.44x = 294,921,539,174.79
  5. Step 5: Solve for x
    x = 294,921,539,174.79/548,422.44
  6. Step 6: Final answer
    x = 537,763.44

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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.