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Finding the Fourth Proportional to 576,441.22, 789,720.79 and 554,885.16

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Solution

The fourth proportional to 576,441.22, 789,720.79 and 554,885.16 is: 760,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,441.22 : 789,720.79 = 554,885.16 : x
  2. Step 2: Convert to fraction form
    576,441.22/789,720.79 = 554,885.16/x
  3. Step 3: Cross multiply
    576,441.22x = 789,720.79 × 554,885.16
  4. Step 4: Simplify right side
    576,441.22x = 438,204,346,914.48
  5. Step 5: Solve for x
    x = 438,204,346,914.48/576,441.22
  6. Step 6: Final answer
    x = 760,189.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.