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Finding the Fourth Proportional to 585,693.48, 878,604.72 and 186,240.84

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Solution

The fourth proportional to 585,693.48, 878,604.72 and 186,240.84 is: 279,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,693.48 : 878,604.72 = 186,240.84 : x
  2. Step 2: Convert to fraction form
    585,693.48/878,604.72 = 186,240.84/x
  3. Step 3: Cross multiply
    585,693.48x = 878,604.72 × 186,240.84
  4. Step 4: Simplify right side
    585,693.48x = 163,632,081,080.77
  5. Step 5: Solve for x
    x = 163,632,081,080.77/585,693.48
  6. Step 6: Final answer
    x = 279,381.77

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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.