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Finding the Fourth Proportional to 254,668,090.40, 382,002,135.60 and 254,668,090.40

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Solution

The fourth proportional to 254,668,090.40, 382,002,135.60 and 254,668,090.40 is: 382,002,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,668,090.40 : 382,002,135.60 = 254,668,090.40 : x
  2. Step 2: Convert to fraction form
    254,668,090.40/382,002,135.60 = 254,668,090.40/x
  3. Step 3: Cross multiply
    254,668,090.40x = 382,002,135.60 × 254,668,090.40
  4. Step 4: Simplify right side
    254,668,090.40x = 97,283,754,401,973,872
  5. Step 5: Solve for x
    x = 97,283,754,401,973,872/254,668,090.40
  6. Step 6: Final answer
    x = 382,002,135.60

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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.