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Finding the Fourth Proportional to 507,353.16, 760,969.26 and 133,405.32

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Solution

The fourth proportional to 507,353.16, 760,969.26 and 133,405.32 is: 200,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,353.16 : 760,969.26 = 133,405.32 : x
  2. Step 2: Convert to fraction form
    507,353.16/760,969.26 = 133,405.32/x
  3. Step 3: Cross multiply
    507,353.16x = 760,969.26 × 133,405.32
  4. Step 4: Simplify right side
    507,353.16x = 101,517,347,640.46
  5. Step 5: Solve for x
    x = 101,517,347,640.46/507,353.16
  6. Step 6: Final answer
    x = 200,092.08

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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.