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Finding the Fourth Proportional to 562,548.22, 776,286.75 and 307,850.20

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Solution

The fourth proportional to 562,548.22, 776,286.75 and 307,850.20 is: 424,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,548.22 : 776,286.75 = 307,850.20 : x
  2. Step 2: Convert to fraction form
    562,548.22/776,286.75 = 307,850.20/x
  3. Step 3: Cross multiply
    562,548.22x = 776,286.75 × 307,850.20
  4. Step 4: Simplify right side
    562,548.22x = 238,980,031,244.85
  5. Step 5: Solve for x
    x = 238,980,031,244.85/562,548.22
  6. Step 6: Final answer
    x = 424,816.97

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.