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Finding the Fourth Proportional to 368,450.70, 552,676.05 and 191,303.70

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Solution

The fourth proportional to 368,450.70, 552,676.05 and 191,303.70 is: 286,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,450.70 : 552,676.05 = 191,303.70 : x
  2. Step 2: Convert to fraction form
    368,450.70/552,676.05 = 191,303.70/x
  3. Step 3: Cross multiply
    368,450.70x = 552,676.05 × 191,303.70
  4. Step 4: Simplify right side
    368,450.70x = 105,728,973,266.39
  5. Step 5: Solve for x
    x = 105,728,973,266.39/368,450.70
  6. Step 6: Final answer
    x = 286,955.55

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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.