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Finding the Fourth Proportional to 575,999.80, 864,431.70 and 295,372.60

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Solution

The fourth proportional to 575,999.80, 864,431.70 and 295,372.60 is: 443,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,999.80 : 864,431.70 = 295,372.60 : x
  2. Step 2: Convert to fraction form
    575,999.80/864,431.70 = 295,372.60/x
  3. Step 3: Cross multiply
    575,999.80x = 864,431.70 × 295,372.60
  4. Step 4: Simplify right side
    575,999.80x = 255,329,438,751.42
  5. Step 5: Solve for x
    x = 255,329,438,751.42/575,999.80
  6. Step 6: Final answer
    x = 443,280.43

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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.