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Finding the Fourth Proportional to 714,542.88, 1,071,837 and 359,362.80

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Solution

The fourth proportional to 714,542.88, 1,071,837 and 359,362.80 is: 539,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,542.88 : 1,071,837 = 359,362.80 : x
  2. Step 2: Convert to fraction form
    714,542.88/1,071,837 = 359,362.80/x
  3. Step 3: Cross multiply
    714,542.88x = 1,071,837 × 359,362.80
  4. Step 4: Simplify right side
    714,542.88x = 385,178,345,463.60
  5. Step 5: Solve for x
    x = 385,178,345,463.60/714,542.88
  6. Step 6: Final answer
    x = 539,055.61

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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.