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Finding the Fourth Proportional to 606,157.19, 909,590.25 and 336,512.38

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Solution

The fourth proportional to 606,157.19, 909,590.25 and 336,512.38 is: 504,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,157.19 : 909,590.25 = 336,512.38 : x
  2. Step 2: Convert to fraction form
    606,157.19/909,590.25 = 336,512.38/x
  3. Step 3: Cross multiply
    606,157.19x = 909,590.25 × 336,512.38
  4. Step 4: Simplify right side
    606,157.19x = 306,088,375,304.34
  5. Step 5: Solve for x
    x = 306,088,375,304.34/606,157.19
  6. Step 6: Final answer
    x = 504,965.35

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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.