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Finding the Fourth Proportional to 606,018.10, 909,027.15 and 512,706.10

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Solution

The fourth proportional to 606,018.10, 909,027.15 and 512,706.10 is: 769,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,018.10 : 909,027.15 = 512,706.10 : x
  2. Step 2: Convert to fraction form
    606,018.10/909,027.15 = 512,706.10/x
  3. Step 3: Cross multiply
    606,018.10x = 909,027.15 × 512,706.10
  4. Step 4: Simplify right side
    606,018.10x = 466,063,764,870.62
  5. Step 5: Solve for x
    x = 466,063,764,870.62/606,018.10
  6. Step 6: Final answer
    x = 769,059.15

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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.