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Finding the Fourth Proportional to 606,585.20, 909,791.40 and 207,244.40

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Solution

The fourth proportional to 606,585.20, 909,791.40 and 207,244.40 is: 310,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,585.20 : 909,791.40 = 207,244.40 : x
  2. Step 2: Convert to fraction form
    606,585.20/909,791.40 = 207,244.40/x
  3. Step 3: Cross multiply
    606,585.20x = 909,791.40 × 207,244.40
  4. Step 4: Simplify right side
    606,585.20x = 188,549,172,818.16
  5. Step 5: Solve for x
    x = 188,549,172,818.16/606,585.20
  6. Step 6: Final answer
    x = 310,837.08

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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.