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Finding the Fourth Proportional to 585,610.16, 878,406 and 186,245.16

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Solution

The fourth proportional to 585,610.16, 878,406 and 186,245.16 is: 279,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,610.16 : 878,406 = 186,245.16 : x
  2. Step 2: Convert to fraction form
    585,610.16/878,406 = 186,245.16/x
  3. Step 3: Cross multiply
    585,610.16x = 878,406 × 186,245.16
  4. Step 4: Simplify right side
    585,610.16x = 163,598,866,014.96
  5. Step 5: Solve for x
    x = 163,598,866,014.96/585,610.16
  6. Step 6: Final answer
    x = 279,364.80

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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.