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Finding the Fourth Proportional to 675,892.30, 932,755.05 and 369,968.87

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Solution

The fourth proportional to 675,892.30, 932,755.05 and 369,968.87 is: 510,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,892.30 : 932,755.05 = 369,968.87 : x
  2. Step 2: Convert to fraction form
    675,892.30/932,755.05 = 369,968.87/x
  3. Step 3: Cross multiply
    675,892.30x = 932,755.05 × 369,968.87
  4. Step 4: Simplify right side
    675,892.30x = 345,090,329,985.45
  5. Step 5: Solve for x
    x = 345,090,329,985.45/675,892.30
  6. Step 6: Final answer
    x = 510,570.00

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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.