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Finding the Fourth Proportional to 507,392.91, 761,089.37 and 133,386.75

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Solution

The fourth proportional to 507,392.91, 761,089.37 and 133,386.75 is: 200,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,392.91 : 761,089.37 = 133,386.75 : x
  2. Step 2: Convert to fraction form
    507,392.91/761,089.37 = 133,386.75/x
  3. Step 3: Cross multiply
    507,392.91x = 761,089.37 × 133,386.75
  4. Step 4: Simplify right side
    507,392.91x = 101,519,236,856.91
  5. Step 5: Solve for x
    x = 101,519,236,856.91/507,392.91
  6. Step 6: Final answer
    x = 200,080.13

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Similar ratio
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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.