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Finding the Fourth Proportional to 574,153.84, 861,355.30 and 174,784.29

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Solution

The fourth proportional to 574,153.84, 861,355.30 and 174,784.29 is: 262,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,153.84 : 861,355.30 = 174,784.29 : x
  2. Step 2: Convert to fraction form
    574,153.84/861,355.30 = 174,784.29/x
  3. Step 3: Cross multiply
    574,153.84x = 861,355.30 × 174,784.29
  4. Step 4: Simplify right side
    574,153.84x = 150,551,374,548.24
  5. Step 5: Solve for x
    x = 150,551,374,548.24/574,153.84
  6. Step 6: Final answer
    x = 262,214.35

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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.