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Finding the Fourth Proportional to 632,539.56, 872,943.30 and 364,353.96

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Solution

The fourth proportional to 632,539.56, 872,943.30 and 364,353.96 is: 502,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,539.56 : 872,943.30 = 364,353.96 : x
  2. Step 2: Convert to fraction form
    632,539.56/872,943.30 = 364,353.96/x
  3. Step 3: Cross multiply
    632,539.56x = 872,943.30 × 364,353.96
  4. Step 4: Simplify right side
    632,539.56x = 318,060,348,210.47
  5. Step 5: Solve for x
    x = 318,060,348,210.47/632,539.56
  6. Step 6: Final answer
    x = 502,830.76

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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.