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Finding the Fourth Proportional to 606,014.60, 909,021.90 and 512,702.60

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Solution

The fourth proportional to 606,014.60, 909,021.90 and 512,702.60 is: 769,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,014.60 : 909,021.90 = 512,702.60 : x
  2. Step 2: Convert to fraction form
    606,014.60/909,021.90 = 512,702.60/x
  3. Step 3: Cross multiply
    606,014.60x = 909,021.90 × 512,702.60
  4. Step 4: Simplify right side
    606,014.60x = 466,057,891,586.94
  5. Step 5: Solve for x
    x = 466,057,891,586.94/606,014.60
  6. Step 6: Final answer
    x = 769,053.90

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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.