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Finding the Fourth Proportional to 894,699, 1,234,277.78 and 531,917.02

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Solution

The fourth proportional to 894,699, 1,234,277.78 and 531,917.02 is: 733,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,699 : 1,234,277.78 = 531,917.02 : x
  2. Step 2: Convert to fraction form
    894,699/1,234,277.78 = 531,917.02/x
  3. Step 3: Cross multiply
    894,699x = 1,234,277.78 × 531,917.02
  4. Step 4: Simplify right side
    894,699x = 656,533,358,589.82
  5. Step 5: Solve for x
    x = 656,533,358,589.82/894,699
  6. Step 6: Final answer
    x = 733,803.61

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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.