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Finding the Fourth Proportional to 4,119,329.40, 6,178,994.10 and 4,119,329.40

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Solution

The fourth proportional to 4,119,329.40, 6,178,994.10 and 4,119,329.40 is: 6,178,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,329.40 : 6,178,994.10 = 4,119,329.40 : x
  2. Step 2: Convert to fraction form
    4,119,329.40/6,178,994.10 = 4,119,329.40/x
  3. Step 3: Cross multiply
    4,119,329.40x = 6,178,994.10 × 4,119,329.40
  4. Step 4: Simplify right side
    4,119,329.40x = 25,453,312,058,556.54
  5. Step 5: Solve for x
    x = 25,453,312,058,556.54/4,119,329.40
  6. Step 6: Final answer
    x = 6,178,994.10

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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.