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Finding the Fourth Proportional to 542,094.90, 812,601.03 and 362,331.72

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Solution

The fourth proportional to 542,094.90, 812,601.03 and 362,331.72 is: 543,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,094.90 : 812,601.03 = 362,331.72 : x
  2. Step 2: Convert to fraction form
    542,094.90/812,601.03 = 362,331.72/x
  3. Step 3: Cross multiply
    542,094.90x = 812,601.03 × 362,331.72
  4. Step 4: Simplify right side
    542,094.90x = 294,431,128,873.67
  5. Step 5: Solve for x
    x = 294,431,128,873.67/542,094.90
  6. Step 6: Final answer
    x = 543,135.77

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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.