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Finding the Fourth Proportional to 333,281.36, 459,916.84 and 190,087.54

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Solution

The fourth proportional to 333,281.36, 459,916.84 and 190,087.54 is: 262,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,281.36 : 459,916.84 = 190,087.54 : x
  2. Step 2: Convert to fraction form
    333,281.36/459,916.84 = 190,087.54/x
  3. Step 3: Cross multiply
    333,281.36x = 459,916.84 × 190,087.54
  4. Step 4: Simplify right side
    333,281.36x = 87,424,460,720.17
  5. Step 5: Solve for x
    x = 87,424,460,720.17/333,281.36
  6. Step 6: Final answer
    x = 262,314.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.