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Finding the Fourth Proportional to 610,457.06, 842,473.86 and 338,550.95

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Solution

The fourth proportional to 610,457.06, 842,473.86 and 338,550.95 is: 467,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,457.06 : 842,473.86 = 338,550.95 : x
  2. Step 2: Convert to fraction form
    610,457.06/842,473.86 = 338,550.95/x
  3. Step 3: Cross multiply
    610,457.06x = 842,473.86 × 338,550.95
  4. Step 4: Simplify right side
    610,457.06x = 285,220,325,653.17
  5. Step 5: Solve for x
    x = 285,220,325,653.17/610,457.06
  6. Step 6: Final answer
    x = 467,224.22

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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.