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Finding the Fourth Proportional to 576,437.22, 789,715.31 and 554,881.16

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Solution

The fourth proportional to 576,437.22, 789,715.31 and 554,881.16 is: 760,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,437.22 : 789,715.31 = 554,881.16 : x
  2. Step 2: Convert to fraction form
    576,437.22/789,715.31 = 554,881.16/x
  3. Step 3: Cross multiply
    576,437.22x = 789,715.31 × 554,881.16
  4. Step 4: Simplify right side
    576,437.22x = 438,198,143,333.98
  5. Step 5: Solve for x
    x = 438,198,143,333.98/576,437.22
  6. Step 6: Final answer
    x = 760,183.64

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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.