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Finding the Fourth Proportional to 632,859.38, 873,312.42 and 346,324.10

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Solution

The fourth proportional to 632,859.38, 873,312.42 and 346,324.10 is: 477,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,859.38 : 873,312.42 = 346,324.10 : x
  2. Step 2: Convert to fraction form
    632,859.38/873,312.42 = 346,324.10/x
  3. Step 3: Cross multiply
    632,859.38x = 873,312.42 × 346,324.10
  4. Step 4: Simplify right side
    632,859.38x = 302,449,136,143.70
  5. Step 5: Solve for x
    x = 302,449,136,143.70/632,859.38
  6. Step 6: Final answer
    x = 477,908.91

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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.