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Finding the Fourth Proportional to 525,935.08, 789,109.98 and 193,537

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Solution

The fourth proportional to 525,935.08, 789,109.98 and 193,537 is: 290,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,935.08 : 789,109.98 = 193,537 : x
  2. Step 2: Convert to fraction form
    525,935.08/789,109.98 = 193,537/x
  3. Step 3: Cross multiply
    525,935.08x = 789,109.98 × 193,537
  4. Step 4: Simplify right side
    525,935.08x = 152,721,978,199.26
  5. Step 5: Solve for x
    x = 152,721,978,199.26/525,935.08
  6. Step 6: Final answer
    x = 290,381.81

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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.