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Finding the Fourth Proportional to 984,699.84, 1,477,049.76 and 760,387.44

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Solution

The fourth proportional to 984,699.84, 1,477,049.76 and 760,387.44 is: 1,140,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,699.84 : 1,477,049.76 = 760,387.44 : x
  2. Step 2: Convert to fraction form
    984,699.84/1,477,049.76 = 760,387.44/x
  3. Step 3: Cross multiply
    984,699.84x = 1,477,049.76 × 760,387.44
  4. Step 4: Simplify right side
    984,699.84x = 1,123,130,085,759.01
  5. Step 5: Solve for x
    x = 1,123,130,085,759.01/984,699.84
  6. Step 6: Final answer
    x = 1,140,581.16

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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.