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Finding the Fourth Proportional to 571,675.05, 788,960.03 and 317,108.25

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Solution

The fourth proportional to 571,675.05, 788,960.03 and 317,108.25 is: 437,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,675.05 : 788,960.03 = 317,108.25 : x
  2. Step 2: Convert to fraction form
    571,675.05/788,960.03 = 317,108.25/x
  3. Step 3: Cross multiply
    571,675.05x = 788,960.03 × 317,108.25
  4. Step 4: Simplify right side
    571,675.05x = 250,185,732,847.71
  5. Step 5: Solve for x
    x = 250,185,732,847.71/571,675.05
  6. Step 6: Final answer
    x = 437,636.26

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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.