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Finding the Fourth Proportional to 926,309.10, 1,299,632.10 and 926,309.10

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Solution

The fourth proportional to 926,309.10, 1,299,632.10 and 926,309.10 is: 1,299,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,309.10 : 1,299,632.10 = 926,309.10 : x
  2. Step 2: Convert to fraction form
    926,309.10/1,299,632.10 = 926,309.10/x
  3. Step 3: Cross multiply
    926,309.10x = 1,299,632.10 × 926,309.10
  4. Step 4: Simplify right side
    926,309.10x = 1,203,861,040,882.11
  5. Step 5: Solve for x
    x = 1,203,861,040,882.11/926,309.10
  6. Step 6: Final answer
    x = 1,299,632.10

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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.