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Finding the Fourth Proportional to 595,348.80, 893,138.40 and 174,638.40

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Solution

The fourth proportional to 595,348.80, 893,138.40 and 174,638.40 is: 261,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,348.80 : 893,138.40 = 174,638.40 : x
  2. Step 2: Convert to fraction form
    595,348.80/893,138.40 = 174,638.40/x
  3. Step 3: Cross multiply
    595,348.80x = 893,138.40 × 174,638.40
  4. Step 4: Simplify right side
    595,348.80x = 155,976,261,154.56
  5. Step 5: Solve for x
    x = 155,976,261,154.56/595,348.80
  6. Step 6: Final answer
    x = 261,991.39

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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.