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Finding the Fourth Proportional to 430,187.88, 593,655.54 and 239,199.60

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Solution

The fourth proportional to 430,187.88, 593,655.54 and 239,199.60 is: 330,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,187.88 : 593,655.54 = 239,199.60 : x
  2. Step 2: Convert to fraction form
    430,187.88/593,655.54 = 239,199.60/x
  3. Step 3: Cross multiply
    430,187.88x = 593,655.54 × 239,199.60
  4. Step 4: Simplify right side
    430,187.88x = 142,002,167,705.78
  5. Step 5: Solve for x
    x = 142,002,167,705.78/430,187.88
  6. Step 6: Final answer
    x = 330,093.37

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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.