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Finding the Fourth Proportional to 524,848.56, 724,389.92 and 328,705.96

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Solution

The fourth proportional to 524,848.56, 724,389.92 and 328,705.96 is: 453,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,848.56 : 724,389.92 = 328,705.96 : x
  2. Step 2: Convert to fraction form
    524,848.56/724,389.92 = 328,705.96/x
  3. Step 3: Cross multiply
    524,848.56x = 724,389.92 × 328,705.96
  4. Step 4: Simplify right side
    524,848.56x = 238,111,284,067.92
  5. Step 5: Solve for x
    x = 238,111,284,067.92/524,848.56
  6. Step 6: Final answer
    x = 453,676.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.