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Finding the Fourth Proportional to 585,608.16, 878,403 and 186,243.16

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Solution

The fourth proportional to 585,608.16, 878,403 and 186,243.16 is: 279,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,608.16 : 878,403 = 186,243.16 : x
  2. Step 2: Convert to fraction form
    585,608.16/878,403 = 186,243.16/x
  3. Step 3: Cross multiply
    585,608.16x = 878,403 × 186,243.16
  4. Step 4: Simplify right side
    585,608.16x = 163,596,550,473.48
  5. Step 5: Solve for x
    x = 163,596,550,473.48/585,608.16
  6. Step 6: Final answer
    x = 279,361.80

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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.