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Finding the Fourth Proportional to 416,506.28, 574,349.06 and 356,276.30

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Solution

The fourth proportional to 416,506.28, 574,349.06 and 356,276.30 is: 491,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,506.28 : 574,349.06 = 356,276.30 : x
  2. Step 2: Convert to fraction form
    416,506.28/574,349.06 = 356,276.30/x
  3. Step 3: Cross multiply
    416,506.28x = 574,349.06 × 356,276.30
  4. Step 4: Simplify right side
    416,506.28x = 204,626,953,352.15
  5. Step 5: Solve for x
    x = 204,626,953,352.15/416,506.28
  6. Step 6: Final answer
    x = 491,293.81

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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.