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Finding the Fourth Proportional to 606,616.20, 909,924.30 and 555,440.40

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Solution

The fourth proportional to 606,616.20, 909,924.30 and 555,440.40 is: 833,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,616.20 : 909,924.30 = 555,440.40 : x
  2. Step 2: Convert to fraction form
    606,616.20/909,924.30 = 555,440.40/x
  3. Step 3: Cross multiply
    606,616.20x = 909,924.30 × 555,440.40
  4. Step 4: Simplify right side
    606,616.20x = 505,408,717,161.72
  5. Step 5: Solve for x
    x = 505,408,717,161.72/606,616.20
  6. Step 6: Final answer
    x = 833,160.60

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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.