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Finding the Fourth Proportional to 433,662.13, 597,880.35 and 355,852.77

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Solution

The fourth proportional to 433,662.13, 597,880.35 and 355,852.77 is: 490,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,662.13 : 597,880.35 = 355,852.77 : x
  2. Step 2: Convert to fraction form
    433,662.13/597,880.35 = 355,852.77/x
  3. Step 3: Cross multiply
    433,662.13x = 597,880.35 × 355,852.77
  4. Step 4: Simplify right side
    433,662.13x = 212,757,378,615.98
  5. Step 5: Solve for x
    x = 212,757,378,615.98/433,662.13
  6. Step 6: Final answer
    x = 490,606.31

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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.