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Finding the Fourth Proportional to 573,026.90, 790,798.46 and 343,621.53

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Solution

The fourth proportional to 573,026.90, 790,798.46 and 343,621.53 is: 474,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,026.90 : 790,798.46 = 343,621.53 : x
  2. Step 2: Convert to fraction form
    573,026.90/790,798.46 = 343,621.53/x
  3. Step 3: Cross multiply
    573,026.90x = 790,798.46 × 343,621.53
  4. Step 4: Simplify right side
    573,026.90x = 271,735,375,028.74
  5. Step 5: Solve for x
    x = 271,735,375,028.74/573,026.90
  6. Step 6: Final answer
    x = 474,210.51

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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.