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Finding the Fourth Proportional to 553,752.96, 764,179.05 and 299,104.14

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Solution

The fourth proportional to 553,752.96, 764,179.05 and 299,104.14 is: 412,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,752.96 : 764,179.05 = 299,104.14 : x
  2. Step 2: Convert to fraction form
    553,752.96/764,179.05 = 299,104.14/x
  3. Step 3: Cross multiply
    553,752.96x = 764,179.05 × 299,104.14
  4. Step 4: Simplify right side
    553,752.96x = 228,569,117,556.27
  5. Step 5: Solve for x
    x = 228,569,117,556.27/553,752.96
  6. Step 6: Final answer
    x = 412,763.69

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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.