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Finding the Fourth Proportional to 666,059.44, 999,152.08 and 186,287.08

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Solution

The fourth proportional to 666,059.44, 999,152.08 and 186,287.08 is: 279,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,059.44 : 999,152.08 = 186,287.08 : x
  2. Step 2: Convert to fraction form
    666,059.44/999,152.08 = 186,287.08/x
  3. Step 3: Cross multiply
    666,059.44x = 999,152.08 × 186,287.08
  4. Step 4: Simplify right side
    666,059.44x = 186,129,123,459.13
  5. Step 5: Solve for x
    x = 186,129,123,459.13/666,059.44
  6. Step 6: Final answer
    x = 279,448.22

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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.