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Finding the Fourth Proportional to 401,527.37, 602,380.16 and 121,024.37

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Solution

The fourth proportional to 401,527.37, 602,380.16 and 121,024.37 is: 181,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,527.37 : 602,380.16 = 121,024.37 : x
  2. Step 2: Convert to fraction form
    401,527.37/602,380.16 = 121,024.37/x
  3. Step 3: Cross multiply
    401,527.37x = 602,380.16 × 121,024.37
  4. Step 4: Simplify right side
    401,527.37x = 72,902,679,364.50
  5. Step 5: Solve for x
    x = 72,902,679,364.50/401,527.37
  6. Step 6: Final answer
    x = 181,563.41

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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.