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Finding the Fourth Proportional to 577,352.82, 865,807.83 and 198,202.89

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Solution

The fourth proportional to 577,352.82, 865,807.83 and 198,202.89 is: 297,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,352.82 : 865,807.83 = 198,202.89 : x
  2. Step 2: Convert to fraction form
    577,352.82/865,807.83 = 198,202.89/x
  3. Step 3: Cross multiply
    577,352.82x = 865,807.83 × 198,202.89
  4. Step 4: Simplify right side
    577,352.82x = 171,605,614,090.63
  5. Step 5: Solve for x
    x = 171,605,614,090.63/577,352.82
  6. Step 6: Final answer
    x = 297,228.33

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1.5x scale

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.