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Finding the Fourth Proportional to 343,328.51, 514,887.57 and 237,393.22

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Solution

The fourth proportional to 343,328.51, 514,887.57 and 237,393.22 is: 356,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,328.51 : 514,887.57 = 237,393.22 : x
  2. Step 2: Convert to fraction form
    343,328.51/514,887.57 = 237,393.22/x
  3. Step 3: Cross multiply
    343,328.51x = 514,887.57 × 237,393.22
  4. Step 4: Simplify right side
    343,328.51x = 122,230,818,180.28
  5. Step 5: Solve for x
    x = 122,230,818,180.28/343,328.51
  6. Step 6: Final answer
    x = 356,017.09

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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.