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Finding the Fourth Proportional to 529,035.52, 793,261.68 and 275,683.76

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Solution

The fourth proportional to 529,035.52, 793,261.68 and 275,683.76 is: 413,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,035.52 : 793,261.68 = 275,683.76 : x
  2. Step 2: Convert to fraction form
    529,035.52/793,261.68 = 275,683.76/x
  3. Step 3: Cross multiply
    529,035.52x = 793,261.68 × 275,683.76
  4. Step 4: Simplify right side
    529,035.52x = 218,689,362,606.32
  5. Step 5: Solve for x
    x = 218,689,362,606.32/529,035.52
  6. Step 6: Final answer
    x = 413,373.69

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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.