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Finding the Fourth Proportional to 557,368.67, 836,274.54 and 178,347.80

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Solution

The fourth proportional to 557,368.67, 836,274.54 and 178,347.80 is: 267,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,368.67 : 836,274.54 = 178,347.80 : x
  2. Step 2: Convert to fraction form
    557,368.67/836,274.54 = 178,347.80/x
  3. Step 3: Cross multiply
    557,368.67x = 836,274.54 × 178,347.80
  4. Step 4: Simplify right side
    557,368.67x = 149,147,724,405.01
  5. Step 5: Solve for x
    x = 149,147,724,405.01/557,368.67
  6. Step 6: Final answer
    x = 267,592.59

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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.