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Finding the Fourth Proportional to 629,544.88, 868,746.64 and 343,058.82

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Solution

The fourth proportional to 629,544.88, 868,746.64 and 343,058.82 is: 473,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,544.88 : 868,746.64 = 343,058.82 : x
  2. Step 2: Convert to fraction form
    629,544.88/868,746.64 = 343,058.82/x
  3. Step 3: Cross multiply
    629,544.88x = 868,746.64 × 343,058.82
  4. Step 4: Simplify right side
    629,544.88x = 298,031,197,197.37
  5. Step 5: Solve for x
    x = 298,031,197,197.37/629,544.88
  6. Step 6: Final answer
    x = 473,407.39

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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.