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Finding the Fourth Proportional to 379,578.96, 569,368.44 and 155,045.34

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Solution

The fourth proportional to 379,578.96, 569,368.44 and 155,045.34 is: 232,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,578.96 : 569,368.44 = 155,045.34 : x
  2. Step 2: Convert to fraction form
    379,578.96/569,368.44 = 155,045.34/x
  3. Step 3: Cross multiply
    379,578.96x = 569,368.44 × 155,045.34
  4. Step 4: Simplify right side
    379,578.96x = 88,277,923,365.07
  5. Step 5: Solve for x
    x = 88,277,923,365.07/379,578.96
  6. Step 6: Final answer
    x = 232,568.01

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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.