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Finding the Fourth Proportional to 388,998.15, 583,575.84 and 164,359.23

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Solution

The fourth proportional to 388,998.15, 583,575.84 and 164,359.23 is: 246,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,998.15 : 583,575.84 = 164,359.23 : x
  2. Step 2: Convert to fraction form
    388,998.15/583,575.84 = 164,359.23/x
  3. Step 3: Cross multiply
    388,998.15x = 583,575.84 × 164,359.23
  4. Step 4: Simplify right side
    388,998.15x = 95,916,075,709.00
  5. Step 5: Solve for x
    x = 95,916,075,709.00/388,998.15
  6. Step 6: Final answer
    x = 246,572.06

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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.