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Finding the Fourth Proportional to 393,038.46, 542,239.10 and 241,873.02

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Solution

The fourth proportional to 393,038.46, 542,239.10 and 241,873.02 is: 333,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,038.46 : 542,239.10 = 241,873.02 : x
  2. Step 2: Convert to fraction form
    393,038.46/542,239.10 = 241,873.02/x
  3. Step 3: Cross multiply
    393,038.46x = 542,239.10 × 241,873.02
  4. Step 4: Simplify right side
    393,038.46x = 131,153,008,679.08
  5. Step 5: Solve for x
    x = 131,153,008,679.08/393,038.46
  6. Step 6: Final answer
    x = 333,690.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.