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Finding the Fourth Proportional to 632,527.07, 872,872.39 and 346,049.51

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Solution

The fourth proportional to 632,527.07, 872,872.39 and 346,049.51 is: 477,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,527.07 : 872,872.39 = 346,049.51 : x
  2. Step 2: Convert to fraction form
    632,527.07/872,872.39 = 346,049.51/x
  3. Step 3: Cross multiply
    632,527.07x = 872,872.39 × 346,049.51
  4. Step 4: Simplify right side
    632,527.07x = 302,057,064,169.09
  5. Step 5: Solve for x
    x = 302,057,064,169.09/632,527.07
  6. Step 6: Final answer
    x = 477,540.14

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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.