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Finding the Fourth Proportional to 606,412.10, 909,034.95 and 471,401.30

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Solution

The fourth proportional to 606,412.10, 909,034.95 and 471,401.30 is: 706,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,412.10 : 909,034.95 = 471,401.30 : x
  2. Step 2: Convert to fraction form
    606,412.10/909,034.95 = 471,401.30/x
  3. Step 3: Cross multiply
    606,412.10x = 909,034.95 × 471,401.30
  4. Step 4: Simplify right side
    606,412.10x = 428,520,257,175.44
  5. Step 5: Solve for x
    x = 428,520,257,175.44/606,412.10
  6. Step 6: Final answer
    x = 706,648.59

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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.