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Finding the Fourth Proportional to 606,266,687.70, 909,400,031.55 and 376,684,175.70

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Solution

The fourth proportional to 606,266,687.70, 909,400,031.55 and 376,684,175.70 is: 565,026,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,266,687.70 : 909,400,031.55 = 376,684,175.70 : x
  2. Step 2: Convert to fraction form
    606,266,687.70/909,400,031.55 = 376,684,175.70/x
  3. Step 3: Cross multiply
    606,266,687.70x = 909,400,031.55 × 376,684,175.70
  4. Step 4: Simplify right side
    606,266,687.70x = 342,556,601,265,965,696
  5. Step 5: Solve for x
    x = 342,556,601,265,965,696/606,266,687.70
  6. Step 6: Final answer
    x = 565,026,263.55

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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.