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Finding the Fourth Proportional to 575,337.12, 863,013.04 and 220,372.48

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Solution

The fourth proportional to 575,337.12, 863,013.04 and 220,372.48 is: 330,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,337.12 : 863,013.04 = 220,372.48 : x
  2. Step 2: Convert to fraction form
    575,337.12/863,013.04 = 220,372.48/x
  3. Step 3: Cross multiply
    575,337.12x = 863,013.04 × 220,372.48
  4. Step 4: Simplify right side
    575,337.12x = 190,184,323,897.14
  5. Step 5: Solve for x
    x = 190,184,323,897.14/575,337.12
  6. Step 6: Final answer
    x = 330,561.54

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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.