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Finding the Fourth Proportional to 340,015,169.90, 476,928,230.50 and 340,015,169.90

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Solution

The fourth proportional to 340,015,169.90, 476,928,230.50 and 340,015,169.90 is: 476,928,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,015,169.90 : 476,928,230.50 = 340,015,169.90 : x
  2. Step 2: Convert to fraction form
    340,015,169.90/476,928,230.50 = 340,015,169.90/x
  3. Step 3: Cross multiply
    340,015,169.90x = 476,928,230.50 × 340,015,169.90
  4. Step 4: Simplify right side
    340,015,169.90x = 162,162,833,323,563,840
  5. Step 5: Solve for x
    x = 162,162,833,323,563,840/340,015,169.90
  6. Step 6: Final answer
    x = 476,928,230.50

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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.