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Finding the Fourth Proportional to 288,084.80, 431,608.80 and 246,612.80

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Solution

The fourth proportional to 288,084.80, 431,608.80 and 246,612.80 is: 369,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,084.80 : 431,608.80 = 246,612.80 : x
  2. Step 2: Convert to fraction form
    288,084.80/431,608.80 = 246,612.80/x
  3. Step 3: Cross multiply
    288,084.80x = 431,608.80 × 246,612.80
  4. Step 4: Simplify right side
    288,084.80x = 106,440,254,672.64
  5. Step 5: Solve for x
    x = 106,440,254,672.64/288,084.80
  6. Step 6: Final answer
    x = 369,475.43

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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.