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Finding the Fourth Proportional to 647,046.55, 892,925.13 and 360,560.35

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Solution

The fourth proportional to 647,046.55, 892,925.13 and 360,560.35 is: 497,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,046.55 : 892,925.13 = 360,560.35 : x
  2. Step 2: Convert to fraction form
    647,046.55/892,925.13 = 360,560.35/x
  3. Step 3: Cross multiply
    647,046.55x = 892,925.13 × 360,560.35
  4. Step 4: Simplify right side
    647,046.55x = 321,953,397,396.60
  5. Step 5: Solve for x
    x = 321,953,397,396.60/647,046.55
  6. Step 6: Final answer
    x = 497,573.78

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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.