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Finding the Fourth Proportional to 379,368.36, 569,039.40 and 95,061.39

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Solution

The fourth proportional to 379,368.36, 569,039.40 and 95,061.39 is: 142,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,368.36 : 569,039.40 = 95,061.39 : x
  2. Step 2: Convert to fraction form
    379,368.36/569,039.40 = 95,061.39/x
  3. Step 3: Cross multiply
    379,368.36x = 569,039.40 × 95,061.39
  4. Step 4: Simplify right side
    379,368.36x = 54,093,676,328.77
  5. Step 5: Solve for x
    x = 54,093,676,328.77/379,368.36
  6. Step 6: Final answer
    x = 142,588.79

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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.