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Finding the Fourth Proportional to 476,494.75, 657,562.76 and 275,290.75

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Solution

The fourth proportional to 476,494.75, 657,562.76 and 275,290.75 is: 379,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,494.75 : 657,562.76 = 275,290.75 : x
  2. Step 2: Convert to fraction form
    476,494.75/657,562.76 = 275,290.75/x
  3. Step 3: Cross multiply
    476,494.75x = 657,562.76 × 275,290.75
  4. Step 4: Simplify right side
    476,494.75x = 181,020,945,372.47
  5. Step 5: Solve for x
    x = 181,020,945,372.47/476,494.75
  6. Step 6: Final answer
    x = 379,901.24

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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.