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Finding the Fourth Proportional to 323,063.01, 445,775.88 and 187,109.76

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Solution

The fourth proportional to 323,063.01, 445,775.88 and 187,109.76 is: 258,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,063.01 : 445,775.88 = 187,109.76 : x
  2. Step 2: Convert to fraction form
    323,063.01/445,775.88 = 187,109.76/x
  3. Step 3: Cross multiply
    323,063.01x = 445,775.88 × 187,109.76
  4. Step 4: Simplify right side
    323,063.01x = 83,409,017,920.59
  5. Step 5: Solve for x
    x = 83,409,017,920.59/323,063.01
  6. Step 6: Final answer
    x = 258,181.89

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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.