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Finding the Fourth Proportional to 6,309,297.60, 9,463,946.40 and 4,293,758.40

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Solution

The fourth proportional to 6,309,297.60, 9,463,946.40 and 4,293,758.40 is: 6,440,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309,297.60 : 9,463,946.40 = 4,293,758.40 : x
  2. Step 2: Convert to fraction form
    6,309,297.60/9,463,946.40 = 4,293,758.40/x
  3. Step 3: Cross multiply
    6,309,297.60x = 9,463,946.40 × 4,293,758.40
  4. Step 4: Simplify right side
    6,309,297.60x = 40,635,899,352,149.77
  5. Step 5: Solve for x
    x = 40,635,899,352,149.77/6,309,297.60
  6. Step 6: Final answer
    x = 6,440,637.60

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1.5x scale

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.