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Finding the Fourth Proportional to 524,374.56, 723,528.24 and 306,540.96

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Solution

The fourth proportional to 524,374.56, 723,528.24 and 306,540.96 is: 422,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,374.56 : 723,528.24 = 306,540.96 : x
  2. Step 2: Convert to fraction form
    524,374.56/723,528.24 = 306,540.96/x
  3. Step 3: Cross multiply
    524,374.56x = 723,528.24 × 306,540.96
  4. Step 4: Simplify right side
    524,374.56x = 221,791,041,276.71
  5. Step 5: Solve for x
    x = 221,791,041,276.71/524,374.56
  6. Step 6: Final answer
    x = 422,963.01

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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.