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Finding the Fourth Proportional to 654,138.28, 902,454.51 and 482,468.32

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Solution

The fourth proportional to 654,138.28, 902,454.51 and 482,468.32 is: 665,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,138.28 : 902,454.51 = 482,468.32 : x
  2. Step 2: Convert to fraction form
    654,138.28/902,454.51 = 482,468.32/x
  3. Step 3: Cross multiply
    654,138.28x = 902,454.51 × 482,468.32
  4. Step 4: Simplify right side
    654,138.28x = 435,405,711,316.12
  5. Step 5: Solve for x
    x = 435,405,711,316.12/654,138.28
  6. Step 6: Final answer
    x = 665,617.23

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Double scale
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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.