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Finding the Fourth Proportional to 356,664,279.60, 534,996,419.40 and 356,664,279.60

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Solution

The fourth proportional to 356,664,279.60, 534,996,419.40 and 356,664,279.60 is: 534,996,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,664,279.60 : 534,996,419.40 = 356,664,279.60 : x
  2. Step 2: Convert to fraction form
    356,664,279.60/534,996,419.40 = 356,664,279.60/x
  3. Step 3: Cross multiply
    356,664,279.60x = 534,996,419.40 × 356,664,279.60
  4. Step 4: Simplify right side
    356,664,279.60x = 190,814,112,513,880,480
  5. Step 5: Solve for x
    x = 190,814,112,513,880,480/356,664,279.60
  6. Step 6: Final answer
    x = 534,996,419.40

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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.