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Finding the Fourth Proportional to 636,102.21, 954,626.33 and 257,026.24

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Solution

The fourth proportional to 636,102.21, 954,626.33 and 257,026.24 is: 385,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,102.21 : 954,626.33 = 257,026.24 : x
  2. Step 2: Convert to fraction form
    636,102.21/954,626.33 = 257,026.24/x
  3. Step 3: Cross multiply
    636,102.21x = 954,626.33 × 257,026.24
  4. Step 4: Simplify right side
    636,102.21x = 245,364,016,204.90
  5. Step 5: Solve for x
    x = 245,364,016,204.90/636,102.21
  6. Step 6: Final answer
    x = 385,730.49

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Double scale
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Similar ratio
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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.