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Finding the Fourth Proportional to 702,769.44, 969,823.52 and 380,483.04

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Solution

The fourth proportional to 702,769.44, 969,823.52 and 380,483.04 is: 525,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,769.44 : 969,823.52 = 380,483.04 : x
  2. Step 2: Convert to fraction form
    702,769.44/969,823.52 = 380,483.04/x
  3. Step 3: Cross multiply
    702,769.44x = 969,823.52 × 380,483.04
  4. Step 4: Simplify right side
    702,769.44x = 369,001,401,153.10
  5. Step 5: Solve for x
    x = 369,001,401,153.10/702,769.44
  6. Step 6: Final answer
    x = 525,067.51

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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.