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Finding the Fourth Proportional to 529,549.92, 794,338.32 and 155,584.80

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Solution

The fourth proportional to 529,549.92, 794,338.32 and 155,584.80 is: 233,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,549.92 : 794,338.32 = 155,584.80 : x
  2. Step 2: Convert to fraction form
    529,549.92/794,338.32 = 155,584.80/x
  3. Step 3: Cross multiply
    529,549.92x = 794,338.32 × 155,584.80
  4. Step 4: Simplify right side
    529,549.92x = 123,586,968,649.54
  5. Step 5: Solve for x
    x = 123,586,968,649.54/529,549.92
  6. Step 6: Final answer
    x = 233,381.15

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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.