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Finding the Fourth Proportional to 254,455.90, 355,771.70 and 254,455.90

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Solution

The fourth proportional to 254,455.90, 355,771.70 and 254,455.90 is: 355,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,455.90 : 355,771.70 = 254,455.90 : x
  2. Step 2: Convert to fraction form
    254,455.90/355,771.70 = 254,455.90/x
  3. Step 3: Cross multiply
    254,455.90x = 355,771.70 × 254,455.90
  4. Step 4: Simplify right side
    254,455.90x = 90,528,208,118.03
  5. Step 5: Solve for x
    x = 90,528,208,118.03/254,455.90
  6. Step 6: Final answer
    x = 355,771.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.