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Finding the Fourth Proportional to 4,652,846.80, 6,518,409.20 and 4,652,846.80

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Solution

The fourth proportional to 4,652,846.80, 6,518,409.20 and 4,652,846.80 is: 6,518,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,846.80 : 6,518,409.20 = 4,652,846.80 : x
  2. Step 2: Convert to fraction form
    4,652,846.80/6,518,409.20 = 4,652,846.80/x
  3. Step 3: Cross multiply
    4,652,846.80x = 6,518,409.20 × 4,652,846.80
  4. Step 4: Simplify right side
    4,652,846.80x = 30,329,159,387,310.56
  5. Step 5: Solve for x
    x = 30,329,159,387,310.56/4,652,846.80
  6. Step 6: Final answer
    x = 6,518,409.20

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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.