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Finding the Fourth Proportional to 606,641.70, 909,962.55 and 512,163.30

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Solution

The fourth proportional to 606,641.70, 909,962.55 and 512,163.30 is: 768,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,641.70 : 909,962.55 = 512,163.30 : x
  2. Step 2: Convert to fraction form
    606,641.70/909,962.55 = 512,163.30/x
  3. Step 3: Cross multiply
    606,641.70x = 909,962.55 × 512,163.30
  4. Step 4: Simplify right side
    606,641.70x = 466,049,422,484.42
  5. Step 5: Solve for x
    x = 466,049,422,484.42/606,641.70
  6. Step 6: Final answer
    x = 768,244.95

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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.