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Finding the Fourth Proportional to 522,097.20, 783,145.80 and 362,664.90

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Solution

The fourth proportional to 522,097.20, 783,145.80 and 362,664.90 is: 543,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,097.20 : 783,145.80 = 362,664.90 : x
  2. Step 2: Convert to fraction form
    522,097.20/783,145.80 = 362,664.90/x
  3. Step 3: Cross multiply
    522,097.20x = 783,145.80 × 362,664.90
  4. Step 4: Simplify right side
    522,097.20x = 284,019,493,242.42
  5. Step 5: Solve for x
    x = 284,019,493,242.42/522,097.20
  6. Step 6: Final answer
    x = 543,997.35

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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.