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Finding the Fourth Proportional to 793,486.64, 1,189,063.26 and 468,940.70

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Solution

The fourth proportional to 793,486.64, 1,189,063.26 and 468,940.70 is: 702,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,486.64 : 1,189,063.26 = 468,940.70 : x
  2. Step 2: Convert to fraction form
    793,486.64/1,189,063.26 = 468,940.70/x
  3. Step 3: Cross multiply
    793,486.64x = 1,189,063.26 × 468,940.70
  4. Step 4: Simplify right side
    793,486.64x = 557,600,151,543.37
  5. Step 5: Solve for x
    x = 557,600,151,543.37/793,486.64
  6. Step 6: Final answer
    x = 702,721.54

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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.