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Finding the Fourth Proportional to 343,158.41, 473,570.76 and 207,165.80

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Solution

The fourth proportional to 343,158.41, 473,570.76 and 207,165.80 is: 285,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,158.41 : 473,570.76 = 207,165.80 : x
  2. Step 2: Convert to fraction form
    343,158.41/473,570.76 = 207,165.80/x
  3. Step 3: Cross multiply
    343,158.41x = 473,570.76 × 207,165.80
  4. Step 4: Simplify right side
    343,158.41x = 98,107,663,296.35
  5. Step 5: Solve for x
    x = 98,107,663,296.35/343,158.41
  6. Step 6: Final answer
    x = 285,896.13

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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.