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Finding the Fourth Proportional to 548,494.68, 822,410.10 and 358,726.44

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Solution

The fourth proportional to 548,494.68, 822,410.10 and 358,726.44 is: 537,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,494.68 : 822,410.10 = 358,726.44 : x
  2. Step 2: Convert to fraction form
    548,494.68/822,410.10 = 358,726.44/x
  3. Step 3: Cross multiply
    548,494.68x = 822,410.10 × 358,726.44
  4. Step 4: Simplify right side
    548,494.68x = 295,020,247,393.04
  5. Step 5: Solve for x
    x = 295,020,247,393.04/548,494.68
  6. Step 6: Final answer
    x = 537,872.58

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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.