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Finding the Fourth Proportional to 610,697.22, 842,766.86 and 335,053.28

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Solution

The fourth proportional to 610,697.22, 842,766.86 and 335,053.28 is: 462,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,697.22 : 842,766.86 = 335,053.28 : x
  2. Step 2: Convert to fraction form
    610,697.22/842,766.86 = 335,053.28/x
  3. Step 3: Cross multiply
    610,697.22x = 842,766.86 × 335,053.28
  4. Step 4: Simplify right side
    610,697.22x = 282,371,800,718.30
  5. Step 5: Solve for x
    x = 282,371,800,718.30/610,697.22
  6. Step 6: Final answer
    x = 462,376.10

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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.