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Finding the Fourth Proportional to 404,334.90, 606,113.55 and 314,327.70

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Solution

The fourth proportional to 404,334.90, 606,113.55 and 314,327.70 is: 471,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,334.90 : 606,113.55 = 314,327.70 : x
  2. Step 2: Convert to fraction form
    404,334.90/606,113.55 = 314,327.70/x
  3. Step 3: Cross multiply
    404,334.90x = 606,113.55 × 314,327.70
  4. Step 4: Simplify right side
    404,334.90x = 190,518,278,110.34
  5. Step 5: Solve for x
    x = 190,518,278,110.34/404,334.90
  6. Step 6: Final answer
    x = 471,189.30

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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.