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Finding the Fourth Proportional to 585,526.56, 878,244.48 and 186,190.08

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Solution

The fourth proportional to 585,526.56, 878,244.48 and 186,190.08 is: 279,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,526.56 : 878,244.48 = 186,190.08 : x
  2. Step 2: Convert to fraction form
    585,526.56/878,244.48 = 186,190.08/x
  3. Step 3: Cross multiply
    585,526.56x = 878,244.48 × 186,190.08
  4. Step 4: Simplify right side
    585,526.56x = 163,520,409,990.76
  5. Step 5: Solve for x
    x = 163,520,409,990.76/585,526.56
  6. Step 6: Final answer
    x = 279,270.70

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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.