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Finding the Fourth Proportional to 593,606.64, 890,513.64 and 261,174

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Solution

The fourth proportional to 593,606.64, 890,513.64 and 261,174 is: 391,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,606.64 : 890,513.64 = 261,174 : x
  2. Step 2: Convert to fraction form
    593,606.64/890,513.64 = 261,174/x
  3. Step 3: Cross multiply
    593,606.64x = 890,513.64 × 261,174
  4. Step 4: Simplify right side
    593,606.64x = 232,579,009,413.36
  5. Step 5: Solve for x
    x = 232,579,009,413.36/593,606.64
  6. Step 6: Final answer
    x = 391,806.62

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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.