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Finding the Fourth Proportional to 296,478.09, 444,800.28 and 119,109.66

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Solution

The fourth proportional to 296,478.09, 444,800.28 and 119,109.66 is: 178,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,478.09 : 444,800.28 = 119,109.66 : x
  2. Step 2: Convert to fraction form
    296,478.09/444,800.28 = 119,109.66/x
  3. Step 3: Cross multiply
    296,478.09x = 444,800.28 × 119,109.66
  4. Step 4: Simplify right side
    296,478.09x = 52,980,010,118.70
  5. Step 5: Solve for x
    x = 52,980,010,118.70/296,478.09
  6. Step 6: Final answer
    x = 178,697.89

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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.