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Finding the Fourth Proportional to 540,964.53, 811,520.62 and 225,347.63

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Solution

The fourth proportional to 540,964.53, 811,520.62 and 225,347.63 is: 338,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,964.53 : 811,520.62 = 225,347.63 : x
  2. Step 2: Convert to fraction form
    540,964.53/811,520.62 = 225,347.63/x
  3. Step 3: Cross multiply
    540,964.53x = 811,520.62 × 225,347.63
  4. Step 4: Simplify right side
    540,964.53x = 182,874,243,792.16
  5. Step 5: Solve for x
    x = 182,874,243,792.16/540,964.53
  6. Step 6: Final answer
    x = 338,052.19

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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.