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Finding the Fourth Proportional to 551,433.90, 827,150.85 and 362,477.10

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Solution

The fourth proportional to 551,433.90, 827,150.85 and 362,477.10 is: 543,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,433.90 : 827,150.85 = 362,477.10 : x
  2. Step 2: Convert to fraction form
    551,433.90/827,150.85 = 362,477.10/x
  3. Step 3: Cross multiply
    551,433.90x = 827,150.85 × 362,477.10
  4. Step 4: Simplify right side
    551,433.90x = 299,823,241,370.54
  5. Step 5: Solve for x
    x = 299,823,241,370.54/551,433.90
  6. Step 6: Final answer
    x = 543,715.65

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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.