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Finding the Fourth Proportional to 330,612.93, 456,295.72 and 201,626.24

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Solution

The fourth proportional to 330,612.93, 456,295.72 and 201,626.24 is: 278,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,612.93 : 456,295.72 = 201,626.24 : x
  2. Step 2: Convert to fraction form
    330,612.93/456,295.72 = 201,626.24/x
  3. Step 3: Cross multiply
    330,612.93x = 456,295.72 × 201,626.24
  4. Step 4: Simplify right side
    330,612.93x = 92,001,187,566.15
  5. Step 5: Solve for x
    x = 92,001,187,566.15/330,612.93
  6. Step 6: Final answer
    x = 278,274.62

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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.