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Finding the Fourth Proportional to 601,639.28, 901,851.62 and 377,157.40

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Solution

The fourth proportional to 601,639.28, 901,851.62 and 377,157.40 is: 565,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,639.28 : 901,851.62 = 377,157.40 : x
  2. Step 2: Convert to fraction form
    601,639.28/901,851.62 = 377,157.40/x
  3. Step 3: Cross multiply
    601,639.28x = 901,851.62 × 377,157.40
  4. Step 4: Simplify right side
    601,639.28x = 340,140,012,184.99
  5. Step 5: Solve for x
    x = 340,140,012,184.99/601,639.28
  6. Step 6: Final answer
    x = 565,355.39

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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.