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Finding the Fourth Proportional to 357,694.48, 536,624.64 and 104,964.72

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Solution

The fourth proportional to 357,694.48, 536,624.64 and 104,964.72 is: 157,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,694.48 : 536,624.64 = 104,964.72 : x
  2. Step 2: Convert to fraction form
    357,694.48/536,624.64 = 104,964.72/x
  3. Step 3: Cross multiply
    357,694.48x = 536,624.64 × 104,964.72
  4. Step 4: Simplify right side
    357,694.48x = 56,326,655,082.70
  5. Step 5: Solve for x
    x = 56,326,655,082.70/357,694.48
  6. Step 6: Final answer
    x = 157,471.41

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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.