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Finding the Fourth Proportional to 353,719.29, 530,398.62 and 173,816.67

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Solution

The fourth proportional to 353,719.29, 530,398.62 and 173,816.67 is: 260,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,719.29 : 530,398.62 = 173,816.67 : x
  2. Step 2: Convert to fraction form
    353,719.29/530,398.62 = 173,816.67/x
  3. Step 3: Cross multiply
    353,719.29x = 530,398.62 × 173,816.67
  4. Step 4: Simplify right side
    353,719.29x = 92,192,121,901.00
  5. Step 5: Solve for x
    x = 92,192,121,901.00/353,719.29
  6. Step 6: Final answer
    x = 260,636.40

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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.