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Finding the Fourth Proportional to 407,925.95, 611,678.73 and 183,093.71

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Solution

The fourth proportional to 407,925.95, 611,678.73 and 183,093.71 is: 274,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,925.95 : 611,678.73 = 183,093.71 : x
  2. Step 2: Convert to fraction form
    407,925.95/611,678.73 = 183,093.71/x
  3. Step 3: Cross multiply
    407,925.95x = 611,678.73 × 183,093.71
  4. Step 4: Simplify right side
    407,925.95x = 111,994,526,313.49
  5. Step 5: Solve for x
    x = 111,994,526,313.49/407,925.95
  6. Step 6: Final answer
    x = 274,546.22

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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.