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Finding the Fourth Proportional to 632,701.42, 873,127.94 and 346,221.54

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Solution

The fourth proportional to 632,701.42, 873,127.94 and 346,221.54 is: 477,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,701.42 : 873,127.94 = 346,221.54 : x
  2. Step 2: Convert to fraction form
    632,701.42/873,127.94 = 346,221.54/x
  3. Step 3: Cross multiply
    632,701.42x = 873,127.94 × 346,221.54
  4. Step 4: Simplify right side
    632,701.42x = 302,295,700,003.83
  5. Step 5: Solve for x
    x = 302,295,700,003.83/632,701.42
  6. Step 6: Final answer
    x = 477,785.71

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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.