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Finding the Fourth Proportional to 481,038.32, 721,549.92 and 165,497.96

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Solution

The fourth proportional to 481,038.32, 721,549.92 and 165,497.96 is: 248,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,038.32 : 721,549.92 = 165,497.96 : x
  2. Step 2: Convert to fraction form
    481,038.32/721,549.92 = 165,497.96/x
  3. Step 3: Cross multiply
    481,038.32x = 721,549.92 × 165,497.96
  4. Step 4: Simplify right side
    481,038.32x = 119,415,039,798.16
  5. Step 5: Solve for x
    x = 119,415,039,798.16/481,038.32
  6. Step 6: Final answer
    x = 248,244.34

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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.