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Finding the Fourth Proportional to 379,544.64, 569,297.52 and 113,307.36

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Solution

The fourth proportional to 379,544.64, 569,297.52 and 113,307.36 is: 169,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,544.64 : 569,297.52 = 113,307.36 : x
  2. Step 2: Convert to fraction form
    379,544.64/569,297.52 = 113,307.36/x
  3. Step 3: Cross multiply
    379,544.64x = 569,297.52 × 113,307.36
  4. Step 4: Simplify right side
    379,544.64x = 64,505,599,045.75
  5. Step 5: Solve for x
    x = 64,505,599,045.75/379,544.64
  6. Step 6: Final answer
    x = 169,955.24

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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.