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Finding the Fourth Proportional to 250,587.89, 345,476.73 and 199,075.89

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Solution

The fourth proportional to 250,587.89, 345,476.73 and 199,075.89 is: 274,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,587.89 : 345,476.73 = 199,075.89 : x
  2. Step 2: Convert to fraction form
    250,587.89/345,476.73 = 199,075.89/x
  3. Step 3: Cross multiply
    250,587.89x = 345,476.73 × 199,075.89
  4. Step 4: Simplify right side
    250,587.89x = 68,776,087,499.04
  5. Step 5: Solve for x
    x = 68,776,087,499.04/250,587.89
  6. Step 6: Final answer
    x = 274,458.95

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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.