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Finding the Fourth Proportional to 646,452.53, 969,346.64 and 347,184.82

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Solution

The fourth proportional to 646,452.53, 969,346.64 and 347,184.82 is: 520,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,452.53 : 969,346.64 = 347,184.82 : x
  2. Step 2: Convert to fraction form
    646,452.53/969,346.64 = 347,184.82/x
  3. Step 3: Cross multiply
    646,452.53x = 969,346.64 × 347,184.82
  4. Step 4: Simplify right side
    646,452.53x = 336,542,438,726.01
  5. Step 5: Solve for x
    x = 336,542,438,726.01/646,452.53
  6. Step 6: Final answer
    x = 520,598.84

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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.