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Finding the Fourth Proportional to 323,347.96, 446,220.66 and 187,408.36

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Solution

The fourth proportional to 323,347.96, 446,220.66 and 187,408.36 is: 258,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,347.96 : 446,220.66 = 187,408.36 : x
  2. Step 2: Convert to fraction form
    323,347.96/446,220.66 = 187,408.36/x
  3. Step 3: Cross multiply
    323,347.96x = 446,220.66 × 187,408.36
  4. Step 4: Simplify right side
    323,347.96x = 83,625,482,088.72
  5. Step 5: Solve for x
    x = 83,625,482,088.72/323,347.96
  6. Step 6: Final answer
    x = 258,623.81

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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.