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Finding the Fourth Proportional to 430,744.64, 594,427.56 and 239,753.93

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Solution

The fourth proportional to 430,744.64, 594,427.56 and 239,753.93 is: 330,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,744.64 : 594,427.56 = 239,753.93 : x
  2. Step 2: Convert to fraction form
    430,744.64/594,427.56 = 239,753.93/x
  3. Step 3: Cross multiply
    430,744.64x = 594,427.56 × 239,753.93
  4. Step 4: Simplify right side
    430,744.64x = 142,516,343,610.31
  5. Step 5: Solve for x
    x = 142,516,343,610.31/430,744.64
  6. Step 6: Final answer
    x = 330,860.40

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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.