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Finding the Fourth Proportional to 628,097.66, 942,175.66 and 201,650.90

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Solution

The fourth proportional to 628,097.66, 942,175.66 and 201,650.90 is: 302,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,097.66 : 942,175.66 = 201,650.90 : x
  2. Step 2: Convert to fraction form
    628,097.66/942,175.66 = 201,650.90/x
  3. Step 3: Cross multiply
    628,097.66x = 942,175.66 × 201,650.90
  4. Step 4: Simplify right side
    628,097.66x = 189,990,569,797.09
  5. Step 5: Solve for x
    x = 189,990,569,797.09/628,097.66
  6. Step 6: Final answer
    x = 302,485.72

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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.