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Finding the Fourth Proportional to 575,700.15, 863,123.73 and 275,895.25

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Solution

The fourth proportional to 575,700.15, 863,123.73 and 275,895.25 is: 413,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,700.15 : 863,123.73 = 275,895.25 : x
  2. Step 2: Convert to fraction form
    575,700.15/863,123.73 = 275,895.25/x
  3. Step 3: Cross multiply
    575,700.15x = 863,123.73 × 275,895.25
  4. Step 4: Simplify right side
    575,700.15x = 238,131,737,269.28
  5. Step 5: Solve for x
    x = 238,131,737,269.28/575,700.15
  6. Step 6: Final answer
    x = 413,638.48

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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.