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Finding the Fourth Proportional to 357,662.40, 536,576.64 and 104,932.68

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Solution

The fourth proportional to 357,662.40, 536,576.64 and 104,932.68 is: 157,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,662.40 : 536,576.64 = 104,932.68 : x
  2. Step 2: Convert to fraction form
    357,662.40/536,576.64 = 104,932.68/x
  3. Step 3: Cross multiply
    357,662.40x = 536,576.64 × 104,932.68
  4. Step 4: Simplify right side
    357,662.40x = 56,304,424,860.60
  5. Step 5: Solve for x
    x = 56,304,424,860.60/357,662.40
  6. Step 6: Final answer
    x = 157,423.38

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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.