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Finding the Fourth Proportional to 476,126.98, 657,053.43 and 261,270.64

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Solution

The fourth proportional to 476,126.98, 657,053.43 and 261,270.64 is: 360,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,126.98 : 657,053.43 = 261,270.64 : x
  2. Step 2: Convert to fraction form
    476,126.98/657,053.43 = 261,270.64/x
  3. Step 3: Cross multiply
    476,126.98x = 657,053.43 × 261,270.64
  4. Step 4: Simplify right side
    476,126.98x = 171,668,770,170.30
  5. Step 5: Solve for x
    x = 171,668,770,170.30/476,126.98
  6. Step 6: Final answer
    x = 360,552.49

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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.