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Finding the Fourth Proportional to 503,802.63, 695,273.37 and 286,026.57

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Solution

The fourth proportional to 503,802.63, 695,273.37 and 286,026.57 is: 394,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,802.63 : 695,273.37 = 286,026.57 : x
  2. Step 2: Convert to fraction form
    503,802.63/695,273.37 = 286,026.57/x
  3. Step 3: Cross multiply
    503,802.63x = 695,273.37 × 286,026.57
  4. Step 4: Simplify right side
    503,802.63x = 198,866,657,233.44
  5. Step 5: Solve for x
    x = 198,866,657,233.44/503,802.63
  6. Step 6: Final answer
    x = 394,731.28

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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.