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Finding the Fourth Proportional to 334,231.64, 501,665.79 and 207,488.30

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Solution

The fourth proportional to 334,231.64, 501,665.79 and 207,488.30 is: 311,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,231.64 : 501,665.79 = 207,488.30 : x
  2. Step 2: Convert to fraction form
    334,231.64/501,665.79 = 207,488.30/x
  3. Step 3: Cross multiply
    334,231.64x = 501,665.79 × 207,488.30
  4. Step 4: Simplify right side
    334,231.64x = 104,089,781,935.26
  5. Step 5: Solve for x
    x = 104,089,781,935.26/334,231.64
  6. Step 6: Final answer
    x = 311,430.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.