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Finding the Fourth Proportional to 738,344.80, 1,036,832 and 738,344.80

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Solution

The fourth proportional to 738,344.80, 1,036,832 and 738,344.80 is: 1,036,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,344.80 : 1,036,832 = 738,344.80 : x
  2. Step 2: Convert to fraction form
    738,344.80/1,036,832 = 738,344.80/x
  3. Step 3: Cross multiply
    738,344.80x = 1,036,832 × 738,344.80
  4. Step 4: Simplify right side
    738,344.80x = 765,539,515,673.60
  5. Step 5: Solve for x
    x = 765,539,515,673.60/738,344.80
  6. Step 6: Final answer
    x = 1,036,832.00

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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.