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Finding the Fourth Proportional to 476,497.75, 657,566.90 and 275,293.75

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Solution

The fourth proportional to 476,497.75, 657,566.90 and 275,293.75 is: 379,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,497.75 : 657,566.90 = 275,293.75 : x
  2. Step 2: Convert to fraction form
    476,497.75/657,566.90 = 275,293.75/x
  3. Step 3: Cross multiply
    476,497.75x = 657,566.90 × 275,293.75
  4. Step 4: Simplify right side
    476,497.75x = 181,024,057,776.88
  5. Step 5: Solve for x
    x = 181,024,057,776.88/476,497.75
  6. Step 6: Final answer
    x = 379,905.38

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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.