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Finding the Fourth Proportional to 330,504.70, 456,179.44 and 187,350.16

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Solution

The fourth proportional to 330,504.70, 456,179.44 and 187,350.16 is: 258,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,504.70 : 456,179.44 = 187,350.16 : x
  2. Step 2: Convert to fraction form
    330,504.70/456,179.44 = 187,350.16/x
  3. Step 3: Cross multiply
    330,504.70x = 456,179.44 × 187,350.16
  4. Step 4: Simplify right side
    330,504.70x = 85,465,291,072.71
  5. Step 5: Solve for x
    x = 85,465,291,072.71/330,504.70
  6. Step 6: Final answer
    x = 258,590.24

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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.