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Finding the Fourth Proportional to 6,679,204.80, 9,369,782.40 and 6,679,204.80

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Solution

The fourth proportional to 6,679,204.80, 9,369,782.40 and 6,679,204.80 is: 9,369,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,204.80 : 9,369,782.40 = 6,679,204.80 : x
  2. Step 2: Convert to fraction form
    6,679,204.80/9,369,782.40 = 6,679,204.80/x
  3. Step 3: Cross multiply
    6,679,204.80x = 9,369,782.40 × 6,679,204.80
  4. Step 4: Simplify right side
    6,679,204.80x = 62,582,695,581,035.52
  5. Step 5: Solve for x
    x = 62,582,695,581,035.52/6,679,204.80
  6. Step 6: Final answer
    x = 9,369,782.40

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1.5x scale

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.