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Finding the Fourth Proportional to 576,437.84, 864,698.11 and 166,090.35

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Solution

The fourth proportional to 576,437.84, 864,698.11 and 166,090.35 is: 249,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,437.84 : 864,698.11 = 166,090.35 : x
  2. Step 2: Convert to fraction form
    576,437.84/864,698.11 = 166,090.35/x
  3. Step 3: Cross multiply
    576,437.84x = 864,698.11 × 166,090.35
  4. Step 4: Simplify right side
    576,437.84x = 143,618,010,164.83
  5. Step 5: Solve for x
    x = 143,618,010,164.83/576,437.84
  6. Step 6: Final answer
    x = 249,147.44

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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.