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Finding the Fourth Proportional to 333,560.81, 460,389.56 and 260,819.79

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Solution

The fourth proportional to 333,560.81, 460,389.56 and 260,819.79 is: 359,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,560.81 : 460,389.56 = 260,819.79 : x
  2. Step 2: Convert to fraction form
    333,560.81/460,389.56 = 260,819.79/x
  3. Step 3: Cross multiply
    333,560.81x = 460,389.56 × 260,819.79
  4. Step 4: Simplify right side
    333,560.81x = 120,078,707,053.29
  5. Step 5: Solve for x
    x = 120,078,707,053.29/333,560.81
  6. Step 6: Final answer
    x = 359,990.46

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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.