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Finding the Fourth Proportional to 291,950.46, 402,891.03 and 164,625.30

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Solution

The fourth proportional to 291,950.46, 402,891.03 and 164,625.30 is: 227,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,950.46 : 402,891.03 = 164,625.30 : x
  2. Step 2: Convert to fraction form
    291,950.46/402,891.03 = 164,625.30/x
  3. Step 3: Cross multiply
    291,950.46x = 402,891.03 × 164,625.30
  4. Step 4: Simplify right side
    291,950.46x = 66,326,056,681.06
  5. Step 5: Solve for x
    x = 66,326,056,681.06/291,950.46
  6. Step 6: Final answer
    x = 227,182.57

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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.