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Finding the Fourth Proportional to 560,955.54, 840,933.14 and 205,887.18

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Solution

The fourth proportional to 560,955.54, 840,933.14 and 205,887.18 is: 308,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,955.54 : 840,933.14 = 205,887.18 : x
  2. Step 2: Convert to fraction form
    560,955.54/840,933.14 = 205,887.18/x
  3. Step 3: Cross multiply
    560,955.54x = 840,933.14 × 205,887.18
  4. Step 4: Simplify right side
    560,955.54x = 173,137,351,733.71
  5. Step 5: Solve for x
    x = 173,137,351,733.71/560,955.54
  6. Step 6: Final answer
    x = 308,647.19

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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.