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Finding the Fourth Proportional to 606,238,762.80, 909,358,144.20 and 606,238,762.80

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Solution

The fourth proportional to 606,238,762.80, 909,358,144.20 and 606,238,762.80 is: 909,358,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,238,762.80 : 909,358,144.20 = 606,238,762.80 : x
  2. Step 2: Convert to fraction form
    606,238,762.80/909,358,144.20 = 606,238,762.80/x
  3. Step 3: Cross multiply
    606,238,762.80x = 909,358,144.20 × 606,238,762.80
  4. Step 4: Simplify right side
    606,238,762.80x = 551,288,156,281,912,000
  5. Step 5: Solve for x
    x = 551,288,156,281,912,000/606,238,762.80
  6. Step 6: Final answer
    x = 909,358,144.20

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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.