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Finding the Fourth Proportional to 343,317.40, 514,976.10 and 237,029.20

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Solution

The fourth proportional to 343,317.40, 514,976.10 and 237,029.20 is: 355,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,317.40 : 514,976.10 = 237,029.20 : x
  2. Step 2: Convert to fraction form
    343,317.40/514,976.10 = 237,029.20/x
  3. Step 3: Cross multiply
    343,317.40x = 514,976.10 × 237,029.20
  4. Step 4: Simplify right side
    343,317.40x = 122,064,373,002.12
  5. Step 5: Solve for x
    x = 122,064,373,002.12/343,317.40
  6. Step 6: Final answer
    x = 355,543.80

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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.