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Finding the Fourth Proportional to 350,875.44, 484,178.70 and 207,610.56

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Solution

The fourth proportional to 350,875.44, 484,178.70 and 207,610.56 is: 286,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,875.44 : 484,178.70 = 207,610.56 : x
  2. Step 2: Convert to fraction form
    350,875.44/484,178.70 = 207,610.56/x
  3. Step 3: Cross multiply
    350,875.44x = 484,178.70 × 207,610.56
  4. Step 4: Simplify right side
    350,875.44x = 100,520,611,047.07
  5. Step 5: Solve for x
    x = 100,520,611,047.07/350,875.44
  6. Step 6: Final answer
    x = 286,485.17

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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.