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Finding the Fourth Proportional to 632,859.62, 873,312.76 and 346,324.35

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Solution

The fourth proportional to 632,859.62, 873,312.76 and 346,324.35 is: 477,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,859.62 : 873,312.76 = 346,324.35 : x
  2. Step 2: Convert to fraction form
    632,859.62/873,312.76 = 346,324.35/x
  3. Step 3: Cross multiply
    632,859.62x = 873,312.76 × 346,324.35
  4. Step 4: Simplify right side
    632,859.62x = 302,449,473,087.90
  5. Step 5: Solve for x
    x = 302,449,473,087.90/632,859.62
  6. Step 6: Final answer
    x = 477,909.26

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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.