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Finding the Fourth Proportional to 262,907.66, 394,428.01 and 73,368.00

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Solution

The fourth proportional to 262,907.66, 394,428.01 and 73,368.00 is: 110,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,907.66 : 394,428.01 = 73,368.00 : x
  2. Step 2: Convert to fraction form
    262,907.66/394,428.01 = 73,368.00/x
  3. Step 3: Cross multiply
    262,907.66x = 394,428.01 × 73,368.00
  4. Step 4: Simplify right side
    262,907.66x = 28,938,395,808.50
  5. Step 5: Solve for x
    x = 28,938,395,808.50/262,907.66
  6. Step 6: Final answer
    x = 110,070.57

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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.