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Finding the Fourth Proportional to 2,895,964.80, 4,343,925.60 and 874,204.80

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Solution

The fourth proportional to 2,895,964.80, 4,343,925.60 and 874,204.80 is: 1,311,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,964.80 : 4,343,925.60 = 874,204.80 : x
  2. Step 2: Convert to fraction form
    2,895,964.80/4,343,925.60 = 874,204.80/x
  3. Step 3: Cross multiply
    2,895,964.80x = 4,343,925.60 × 874,204.80
  4. Step 4: Simplify right side
    2,895,964.80x = 3,797,480,610,362.88
  5. Step 5: Solve for x
    x = 3,797,480,610,362.88/2,895,964.80
  6. Step 6: Final answer
    x = 1,311,300.68

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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.