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Finding the Fourth Proportional to 632,691.54, 873,114.39 and 346,213.98

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Solution

The fourth proportional to 632,691.54, 873,114.39 and 346,213.98 is: 477,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,691.54 : 873,114.39 = 346,213.98 : x
  2. Step 2: Convert to fraction form
    632,691.54/873,114.39 = 346,213.98/x
  3. Step 3: Cross multiply
    632,691.54x = 873,114.39 × 346,213.98
  4. Step 4: Simplify right side
    632,691.54x = 302,284,407,957.17
  5. Step 5: Solve for x
    x = 302,284,407,957.17/632,691.54
  6. Step 6: Final answer
    x = 477,775.33

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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.