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Finding the Fourth Proportional to 402,434.99, 603,202.86 and 174,467.45

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Solution

The fourth proportional to 402,434.99, 603,202.86 and 174,467.45 is: 261,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,434.99 : 603,202.86 = 174,467.45 : x
  2. Step 2: Convert to fraction form
    402,434.99/603,202.86 = 174,467.45/x
  3. Step 3: Cross multiply
    402,434.99x = 603,202.86 × 174,467.45
  4. Step 4: Simplify right side
    402,434.99x = 105,239,261,800.89
  5. Step 5: Solve for x
    x = 105,239,261,800.89/402,434.99
  6. Step 6: Final answer
    x = 261,506.24

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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.