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Finding the Fourth Proportional to 554,808.72, 832,215.24 and 134,083.92

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Solution

The fourth proportional to 554,808.72, 832,215.24 and 134,083.92 is: 201,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,808.72 : 832,215.24 = 134,083.92 : x
  2. Step 2: Convert to fraction form
    554,808.72/832,215.24 = 134,083.92/x
  3. Step 3: Cross multiply
    554,808.72x = 832,215.24 × 134,083.92
  4. Step 4: Simplify right side
    554,808.72x = 111,586,681,662.94
  5. Step 5: Solve for x
    x = 111,586,681,662.94/554,808.72
  6. Step 6: Final answer
    x = 201,126.40

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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.