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Finding the Fourth Proportional to 632,658.81, 873,080.11 and 346,183.68

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Solution

The fourth proportional to 632,658.81, 873,080.11 and 346,183.68 is: 477,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,658.81 : 873,080.11 = 346,183.68 : x
  2. Step 2: Convert to fraction form
    632,658.81/873,080.11 = 346,183.68/x
  3. Step 3: Cross multiply
    632,658.81x = 873,080.11 × 346,183.68
  4. Step 4: Simplify right side
    632,658.81x = 302,246,085,414.61
  5. Step 5: Solve for x
    x = 302,246,085,414.61/632,658.81
  6. Step 6: Final answer
    x = 477,739.47

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1.5x scale

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.