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Finding the Fourth Proportional to 3,332,978.80, 4,597,669.12 and 2,713,450.40

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Solution

The fourth proportional to 3,332,978.80, 4,597,669.12 and 2,713,450.40 is: 3,743,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332,978.80 : 4,597,669.12 = 2,713,450.40 : x
  2. Step 2: Convert to fraction form
    3,332,978.80/4,597,669.12 = 2,713,450.40/x
  3. Step 3: Cross multiply
    3,332,978.80x = 4,597,669.12 × 2,713,450.40
  4. Step 4: Simplify right side
    3,332,978.80x = 12,475,547,112,731.65
  5. Step 5: Solve for x
    x = 12,475,547,112,731.65/3,332,978.80
  6. Step 6: Final answer
    x = 3,743,062.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.