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Finding the Fourth Proportional to 530,129.12, 795,350.43 and 305,650.58

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Solution

The fourth proportional to 530,129.12, 795,350.43 and 305,650.58 is: 458,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,129.12 : 795,350.43 = 305,650.58 : x
  2. Step 2: Convert to fraction form
    530,129.12/795,350.43 = 305,650.58/x
  3. Step 3: Cross multiply
    530,129.12x = 795,350.43 × 305,650.58
  4. Step 4: Simplify right side
    530,129.12x = 243,099,316,256.00
  5. Step 5: Solve for x
    x = 243,099,316,256.00/530,129.12
  6. Step 6: Final answer
    x = 458,566.24

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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.