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Finding the Fourth Proportional to 566,580.72, 780,193.98 and 554,007.36

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Solution

The fourth proportional to 566,580.72, 780,193.98 and 554,007.36 is: 762,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,580.72 : 780,193.98 = 554,007.36 : x
  2. Step 2: Convert to fraction form
    566,580.72/780,193.98 = 554,007.36/x
  3. Step 3: Cross multiply
    566,580.72x = 780,193.98 × 554,007.36
  4. Step 4: Simplify right side
    566,580.72x = 432,233,207,147.69
  5. Step 5: Solve for x
    x = 432,233,207,147.69/566,580.72
  6. Step 6: Final answer
    x = 762,880.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.