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Finding the Fourth Proportional to 632,707.80, 873,136.60 and 346,227.80

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Solution

The fourth proportional to 632,707.80, 873,136.60 and 346,227.80 is: 477,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,707.80 : 873,136.60 = 346,227.80 : x
  2. Step 2: Convert to fraction form
    632,707.80/873,136.60 = 346,227.80/x
  3. Step 3: Cross multiply
    632,707.80x = 873,136.60 × 346,227.80
  4. Step 4: Simplify right side
    632,707.80x = 302,304,164,117.48
  5. Step 5: Solve for x
    x = 302,304,164,117.48/632,707.80
  6. Step 6: Final answer
    x = 477,794.27

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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.