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Finding the Fourth Proportional to 575,496.73, 863,493.81 and 308,945.98

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Solution

The fourth proportional to 575,496.73, 863,493.81 and 308,945.98 is: 463,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,496.73 : 863,493.81 = 308,945.98 : x
  2. Step 2: Convert to fraction form
    575,496.73/863,493.81 = 308,945.98/x
  3. Step 3: Cross multiply
    575,496.73x = 863,493.81 × 308,945.98
  4. Step 4: Simplify right side
    575,496.73x = 266,772,941,354.38
  5. Step 5: Solve for x
    x = 266,772,941,354.38/575,496.73
  6. Step 6: Final answer
    x = 463,552.49

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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.