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Finding the Fourth Proportional to 323,005.49, 445,647.23 and 183,281.16

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Solution

The fourth proportional to 323,005.49, 445,647.23 and 183,281.16 is: 252,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,005.49 : 445,647.23 = 183,281.16 : x
  2. Step 2: Convert to fraction form
    323,005.49/445,647.23 = 183,281.16/x
  3. Step 3: Cross multiply
    323,005.49x = 445,647.23 × 183,281.16
  4. Step 4: Simplify right side
    323,005.49x = 81,678,741,265.19
  5. Step 5: Solve for x
    x = 81,678,741,265.19/323,005.49
  6. Step 6: Final answer
    x = 252,871.07

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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.