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Finding the Fourth Proportional to 476,195.69, 657,179.60 and 314,770.79

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Solution

The fourth proportional to 476,195.69, 657,179.60 and 314,770.79 is: 434,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,195.69 : 657,179.60 = 314,770.79 : x
  2. Step 2: Convert to fraction form
    476,195.69/657,179.60 = 314,770.79/x
  3. Step 3: Cross multiply
    476,195.69x = 657,179.60 × 314,770.79
  4. Step 4: Simplify right side
    476,195.69x = 206,860,937,004.13
  5. Step 5: Solve for x
    x = 206,860,937,004.13/476,195.69
  6. Step 6: Final answer
    x = 434,403.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.