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Finding the Fourth Proportional to 342,967.43, 473,298.38 and 190,008.88

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Solution

The fourth proportional to 342,967.43, 473,298.38 and 190,008.88 is: 262,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,967.43 : 473,298.38 = 190,008.88 : x
  2. Step 2: Convert to fraction form
    342,967.43/473,298.38 = 190,008.88/x
  3. Step 3: Cross multiply
    342,967.43x = 473,298.38 × 190,008.88
  4. Step 4: Simplify right side
    342,967.43x = 89,930,895,089.61
  5. Step 5: Solve for x
    x = 89,930,895,089.61/342,967.43
  6. Step 6: Final answer
    x = 262,214.10

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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.