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Finding the Fourth Proportional to 273,390.90, 410,086.35 and 173,663.70

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Solution

The fourth proportional to 273,390.90, 410,086.35 and 173,663.70 is: 260,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,390.90 : 410,086.35 = 173,663.70 : x
  2. Step 2: Convert to fraction form
    273,390.90/410,086.35 = 173,663.70/x
  3. Step 3: Cross multiply
    273,390.90x = 410,086.35 × 173,663.70
  4. Step 4: Simplify right side
    273,390.90x = 71,217,112,860.50
  5. Step 5: Solve for x
    x = 71,217,112,860.50/273,390.90
  6. Step 6: Final answer
    x = 260,495.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.