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Finding the Fourth Proportional to 622,605.80, 933,563.10 and 248,205.80

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Solution

The fourth proportional to 622,605.80, 933,563.10 and 248,205.80 is: 372,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,605.80 : 933,563.10 = 248,205.80 : x
  2. Step 2: Convert to fraction form
    622,605.80/933,563.10 = 248,205.80/x
  3. Step 3: Cross multiply
    622,605.80x = 933,563.10 × 248,205.80
  4. Step 4: Simplify right side
    622,605.80x = 231,715,776,085.98
  5. Step 5: Solve for x
    x = 231,715,776,085.98/622,605.80
  6. Step 6: Final answer
    x = 372,170.92

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1.5x scale

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.