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Finding the Fourth Proportional to 528,991.70, 793,487.53 and 155,014.70

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Solution

The fourth proportional to 528,991.70, 793,487.53 and 155,014.70 is: 232,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,991.70 : 793,487.53 = 155,014.70 : x
  2. Step 2: Convert to fraction form
    528,991.70/793,487.53 = 155,014.70/x
  3. Step 3: Cross multiply
    528,991.70x = 793,487.53 × 155,014.70
  4. Step 4: Simplify right side
    528,991.70x = 123,002,231,416.69
  5. Step 5: Solve for x
    x = 123,002,231,416.69/528,991.70
  6. Step 6: Final answer
    x = 232,522.04

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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.