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Finding the Fourth Proportional to 982,324.10, 1,355,686 and 552,578.60

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Solution

The fourth proportional to 982,324.10, 1,355,686 and 552,578.60 is: 762,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,324.10 : 1,355,686 = 552,578.60 : x
  2. Step 2: Convert to fraction form
    982,324.10/1,355,686 = 552,578.60/x
  3. Step 3: Cross multiply
    982,324.10x = 1,355,686 × 552,578.60
  4. Step 4: Simplify right side
    982,324.10x = 749,123,071,919.60
  5. Step 5: Solve for x
    x = 749,123,071,919.60/982,324.10
  6. Step 6: Final answer
    x = 762,602.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.