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Finding the Fourth Proportional to 575,999.40, 863,307.90 and 295,372.20

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Solution

The fourth proportional to 575,999.40, 863,307.90 and 295,372.20 is: 442,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,999.40 : 863,307.90 = 295,372.20 : x
  2. Step 2: Convert to fraction form
    575,999.40/863,307.90 = 295,372.20/x
  3. Step 3: Cross multiply
    575,999.40x = 863,307.90 × 295,372.20
  4. Step 4: Simplify right side
    575,999.40x = 254,997,153,700.38
  5. Step 5: Solve for x
    x = 254,997,153,700.38/575,999.40
  6. Step 6: Final answer
    x = 442,703.85

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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.