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Finding the Fourth Proportional to 507,052.16, 760,520.64 and 133,104.32

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Solution

The fourth proportional to 507,052.16, 760,520.64 and 133,104.32 is: 199,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,052.16 : 760,520.64 = 133,104.32 : x
  2. Step 2: Convert to fraction form
    507,052.16/760,520.64 = 133,104.32/x
  3. Step 3: Cross multiply
    507,052.16x = 760,520.64 × 133,104.32
  4. Step 4: Simplify right side
    507,052.16x = 101,228,582,633.17
  5. Step 5: Solve for x
    x = 101,228,582,633.17/507,052.16
  6. Step 6: Final answer
    x = 199,641.36

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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.