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Finding the Fourth Proportional to 529,261.93, 793,893.51 and 145,014.03

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Solution

The fourth proportional to 529,261.93, 793,893.51 and 145,014.03 is: 217,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,261.93 : 793,893.51 = 145,014.03 : x
  2. Step 2: Convert to fraction form
    529,261.93/793,893.51 = 145,014.03/x
  3. Step 3: Cross multiply
    529,261.93x = 793,893.51 × 145,014.03
  4. Step 4: Simplify right side
    529,261.93x = 115,125,696,550.88
  5. Step 5: Solve for x
    x = 115,125,696,550.88/529,261.93
  6. Step 6: Final answer
    x = 217,521.21

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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.