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Finding the Fourth Proportional to 417,925.56, 626,757.07 and 178,036.95

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Solution

The fourth proportional to 417,925.56, 626,757.07 and 178,036.95 is: 266,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,925.56 : 626,757.07 = 178,036.95 : x
  2. Step 2: Convert to fraction form
    417,925.56/626,757.07 = 178,036.95/x
  3. Step 3: Cross multiply
    417,925.56x = 626,757.07 × 178,036.95
  4. Step 4: Simplify right side
    417,925.56x = 111,585,916,227.94
  5. Step 5: Solve for x
    x = 111,585,916,227.94/417,925.56
  6. Step 6: Final answer
    x = 266,999.50

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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.