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Finding the Fourth Proportional to 300,149.47, 450,541.37 and 293,372.83

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Solution

The fourth proportional to 300,149.47, 450,541.37 and 293,372.83 is: 440,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,149.47 : 450,541.37 = 293,372.83 : x
  2. Step 2: Convert to fraction form
    300,149.47/450,541.37 = 293,372.83/x
  3. Step 3: Cross multiply
    300,149.47x = 450,541.37 × 293,372.83
  4. Step 4: Simplify right side
    300,149.47x = 132,176,596,748.98
  5. Step 5: Solve for x
    x = 132,176,596,748.98/300,149.47
  6. Step 6: Final answer
    x = 440,369.25

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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.