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Finding the Fourth Proportional to 591,543.95, 815,374.31 and 462,257.76

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Solution

The fourth proportional to 591,543.95, 815,374.31 and 462,257.76 is: 637,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,543.95 : 815,374.31 = 462,257.76 : x
  2. Step 2: Convert to fraction form
    591,543.95/815,374.31 = 462,257.76/x
  3. Step 3: Cross multiply
    591,543.95x = 815,374.31 × 462,257.76
  4. Step 4: Simplify right side
    591,543.95x = 376,913,099,790.86
  5. Step 5: Solve for x
    x = 376,913,099,790.86/591,543.95
  6. Step 6: Final answer
    x = 637,168.38

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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.