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Finding the Fourth Proportional to 425,336.37, 586,990.31 and 234,349.71

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Solution

The fourth proportional to 425,336.37, 586,990.31 and 234,349.71 is: 323,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,336.37 : 586,990.31 = 234,349.71 : x
  2. Step 2: Convert to fraction form
    425,336.37/586,990.31 = 234,349.71/x
  3. Step 3: Cross multiply
    425,336.37x = 586,990.31 × 234,349.71
  4. Step 4: Simplify right side
    425,336.37x = 137,561,007,749.56
  5. Step 5: Solve for x
    x = 137,561,007,749.56/425,336.37
  6. Step 6: Final answer
    x = 323,416.99

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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.