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Finding the Fourth Proportional to 573,070.34, 790,804.89 and 343,512.74

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Solution

The fourth proportional to 573,070.34, 790,804.89 and 343,512.74 is: 474,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,070.34 : 790,804.89 = 343,512.74 : x
  2. Step 2: Convert to fraction form
    573,070.34/790,804.89 = 343,512.74/x
  3. Step 3: Cross multiply
    573,070.34x = 790,804.89 × 343,512.74
  4. Step 4: Simplify right side
    573,070.34x = 271,651,556,546.31
  5. Step 5: Solve for x
    x = 271,651,556,546.31/573,070.34
  6. Step 6: Final answer
    x = 474,028.29

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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.