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Finding the Fourth Proportional to 733,634.40, 1,028,954.40 and 733,634.40

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Solution

The fourth proportional to 733,634.40, 1,028,954.40 and 733,634.40 is: 1,028,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,634.40 : 1,028,954.40 = 733,634.40 : x
  2. Step 2: Convert to fraction form
    733,634.40/1,028,954.40 = 733,634.40/x
  3. Step 3: Cross multiply
    733,634.40x = 1,028,954.40 × 733,634.40
  4. Step 4: Simplify right side
    733,634.40x = 754,876,343,871.36
  5. Step 5: Solve for x
    x = 754,876,343,871.36/733,634.40
  6. Step 6: Final answer
    x = 1,028,954.40

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Double scale
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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.