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Finding the Fourth Proportional to 253,353.87, 379,273.59 and 153,211.14

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Solution

The fourth proportional to 253,353.87, 379,273.59 and 153,211.14 is: 229,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,353.87 : 379,273.59 = 153,211.14 : x
  2. Step 2: Convert to fraction form
    253,353.87/379,273.59 = 153,211.14/x
  3. Step 3: Cross multiply
    253,353.87x = 379,273.59 × 153,211.14
  4. Step 4: Simplify right side
    253,353.87x = 58,108,939,095.79
  5. Step 5: Solve for x
    x = 58,108,939,095.79/253,353.87
  6. Step 6: Final answer
    x = 229,358.80

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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.