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Finding the Fourth Proportional to 973,470.92, 1,343,349.78 and 543,749

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Solution

The fourth proportional to 973,470.92, 1,343,349.78 and 543,749 is: 750,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,470.92 : 1,343,349.78 = 543,749 : x
  2. Step 2: Convert to fraction form
    973,470.92/1,343,349.78 = 543,749/x
  3. Step 3: Cross multiply
    973,470.92x = 1,343,349.78 × 543,749
  4. Step 4: Simplify right side
    973,470.92x = 730,445,099,525.22
  5. Step 5: Solve for x
    x = 730,445,099,525.22/973,470.92
  6. Step 6: Final answer
    x = 750,351.23

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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.