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Finding the Fourth Proportional to 574,386.36, 861,755.22 and 294,101.88

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Solution

The fourth proportional to 574,386.36, 861,755.22 and 294,101.88 is: 441,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,386.36 : 861,755.22 = 294,101.88 : x
  2. Step 2: Convert to fraction form
    574,386.36/861,755.22 = 294,101.88/x
  3. Step 3: Cross multiply
    574,386.36x = 861,755.22 × 294,101.88
  4. Step 4: Simplify right side
    574,386.36x = 253,443,830,301.81
  5. Step 5: Solve for x
    x = 253,443,830,301.81/574,386.36
  6. Step 6: Final answer
    x = 441,242.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.