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Finding the Fourth Proportional to 371,693.79, 560,039.38 and 336,194.68

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Solution

The fourth proportional to 371,693.79, 560,039.38 and 336,194.68 is: 506,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,693.79 : 560,039.38 = 336,194.68 : x
  2. Step 2: Convert to fraction form
    371,693.79/560,039.38 = 336,194.68/x
  3. Step 3: Cross multiply
    371,693.79x = 560,039.38 × 336,194.68
  4. Step 4: Simplify right side
    371,693.79x = 188,282,260,146.50
  5. Step 5: Solve for x
    x = 188,282,260,146.50/371,693.79
  6. Step 6: Final answer
    x = 506,552.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.