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Finding the Fourth Proportional to 425,406.37, 587,064.73 and 234,426.60

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Solution

The fourth proportional to 425,406.37, 587,064.73 and 234,426.60 is: 323,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,406.37 : 587,064.73 = 234,426.60 : x
  2. Step 2: Convert to fraction form
    425,406.37/587,064.73 = 234,426.60/x
  3. Step 3: Cross multiply
    425,406.37x = 587,064.73 × 234,426.60
  4. Step 4: Simplify right side
    425,406.37x = 137,623,588,633.82
  5. Step 5: Solve for x
    x = 137,623,588,633.82/425,406.37
  6. Step 6: Final answer
    x = 323,510.88

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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.