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Finding the Fourth Proportional to 323,349.95, 446,223.06 and 187,463

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Solution

The fourth proportional to 323,349.95, 446,223.06 and 187,463 is: 258,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,349.95 : 446,223.06 = 187,463 : x
  2. Step 2: Convert to fraction form
    323,349.95/446,223.06 = 187,463/x
  3. Step 3: Cross multiply
    323,349.95x = 446,223.06 × 187,463
  4. Step 4: Simplify right side
    323,349.95x = 83,650,313,496.78
  5. Step 5: Solve for x
    x = 83,650,313,496.78/323,349.95
  6. Step 6: Final answer
    x = 258,699.01

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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.