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Finding the Fourth Proportional to 343,395.91, 473,886.37 and 192,492.91

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Solution

The fourth proportional to 343,395.91, 473,886.37 and 192,492.91 is: 265,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,395.91 : 473,886.37 = 192,492.91 : x
  2. Step 2: Convert to fraction form
    343,395.91/473,886.37 = 192,492.91/x
  3. Step 3: Cross multiply
    343,395.91x = 473,886.37 × 192,492.91
  4. Step 4: Simplify right side
    343,395.91x = 91,219,767,453.64
  5. Step 5: Solve for x
    x = 91,219,767,453.64/343,395.91
  6. Step 6: Final answer
    x = 265,640.22

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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.