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Finding the Fourth Proportional to 425,519.56, 587,213.92 and 234,533.16

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Solution

The fourth proportional to 425,519.56, 587,213.92 and 234,533.16 is: 323,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,519.56 : 587,213.92 = 234,533.16 : x
  2. Step 2: Convert to fraction form
    425,519.56/587,213.92 = 234,533.16/x
  3. Step 3: Cross multiply
    425,519.56x = 587,213.92 × 234,533.16
  4. Step 4: Simplify right side
    425,519.56x = 137,721,136,253.59
  5. Step 5: Solve for x
    x = 137,721,136,253.59/425,519.56
  6. Step 6: Final answer
    x = 323,654.07

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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.