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Finding the Fourth Proportional to 290,156.58, 400,075.20 and 244,754.46

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Solution

The fourth proportional to 290,156.58, 400,075.20 and 244,754.46 is: 337,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,156.58 : 400,075.20 = 244,754.46 : x
  2. Step 2: Convert to fraction form
    290,156.58/400,075.20 = 244,754.46/x
  3. Step 3: Cross multiply
    290,156.58x = 400,075.20 × 244,754.46
  4. Step 4: Simplify right side
    290,156.58x = 97,920,189,535.39
  5. Step 5: Solve for x
    x = 97,920,189,535.39/290,156.58
  6. Step 6: Final answer
    x = 337,473.61

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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.