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Finding the Fourth Proportional to 529,893.27, 794,840.12 and 130,541.81

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Solution

The fourth proportional to 529,893.27, 794,840.12 and 130,541.81 is: 195,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,893.27 : 794,840.12 = 130,541.81 : x
  2. Step 2: Convert to fraction form
    529,893.27/794,840.12 = 130,541.81/x
  3. Step 3: Cross multiply
    529,893.27x = 794,840.12 × 130,541.81
  4. Step 4: Simplify right side
    529,893.27x = 103,759,863,298.51
  5. Step 5: Solve for x
    x = 103,759,863,298.51/529,893.27
  6. Step 6: Final answer
    x = 195,812.76

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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.