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Finding the Fourth Proportional to 968,693.40, 1,453,040.10 and 744,485.40

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Solution

The fourth proportional to 968,693.40, 1,453,040.10 and 744,485.40 is: 1,116,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,693.40 : 1,453,040.10 = 744,485.40 : x
  2. Step 2: Convert to fraction form
    968,693.40/1,453,040.10 = 744,485.40/x
  3. Step 3: Cross multiply
    968,693.40x = 1,453,040.10 × 744,485.40
  4. Step 4: Simplify right side
    968,693.40x = 1,081,767,140,064.54
  5. Step 5: Solve for x
    x = 1,081,767,140,064.54/968,693.40
  6. Step 6: Final answer
    x = 1,116,728.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.