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Finding the Fourth Proportional to 323,492.12, 446,420.88 and 187,606.64

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Solution

The fourth proportional to 323,492.12, 446,420.88 and 187,606.64 is: 258,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,492.12 : 446,420.88 = 187,606.64 : x
  2. Step 2: Convert to fraction form
    323,492.12/446,420.88 = 187,606.64/x
  3. Step 3: Cross multiply
    323,492.12x = 446,420.88 × 187,606.64
  4. Step 4: Simplify right side
    323,492.12x = 83,751,521,322.64
  5. Step 5: Solve for x
    x = 83,751,521,322.64/323,492.12
  6. Step 6: Final answer
    x = 258,898.18

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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.