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Finding the Fourth Proportional to 343,347.45, 473,820.51 and 190,396.41

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Solution

The fourth proportional to 343,347.45, 473,820.51 and 190,396.41 is: 262,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,347.45 : 473,820.51 = 190,396.41 : x
  2. Step 2: Convert to fraction form
    343,347.45/473,820.51 = 190,396.41/x
  3. Step 3: Cross multiply
    343,347.45x = 473,820.51 × 190,396.41
  4. Step 4: Simplify right side
    343,347.45x = 90,213,724,088.37
  5. Step 5: Solve for x
    x = 90,213,724,088.37/343,347.45
  6. Step 6: Final answer
    x = 262,747.62

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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.