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Finding the Fourth Proportional to 288,046.80, 431,551.80 and 246,574.80

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Solution

The fourth proportional to 288,046.80, 431,551.80 and 246,574.80 is: 369,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,046.80 : 431,551.80 = 246,574.80 : x
  2. Step 2: Convert to fraction form
    288,046.80/431,551.80 = 246,574.80/x
  3. Step 3: Cross multiply
    288,046.80x = 431,551.80 × 246,574.80
  4. Step 4: Simplify right side
    288,046.80x = 106,409,798,774.64
  5. Step 5: Solve for x
    x = 106,409,798,774.64/288,046.80
  6. Step 6: Final answer
    x = 369,418.44

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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.