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Finding the Fourth Proportional to 968,144.80, 1,356,802.40 and 968,144.80

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Solution

The fourth proportional to 968,144.80, 1,356,802.40 and 968,144.80 is: 1,356,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,144.80 : 1,356,802.40 = 968,144.80 : x
  2. Step 2: Convert to fraction form
    968,144.80/1,356,802.40 = 968,144.80/x
  3. Step 3: Cross multiply
    968,144.80x = 1,356,802.40 × 968,144.80
  4. Step 4: Simplify right side
    968,144.80x = 1,313,581,188,187.52
  5. Step 5: Solve for x
    x = 1,313,581,188,187.52/968,144.80
  6. Step 6: Final answer
    x = 1,356,802.40

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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.