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Finding the Fourth Proportional to 545,003.94, 817,243.44 and 190,010.10

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Solution

The fourth proportional to 545,003.94, 817,243.44 and 190,010.10 is: 284,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,003.94 : 817,243.44 = 190,010.10 : x
  2. Step 2: Convert to fraction form
    545,003.94/817,243.44 = 190,010.10/x
  3. Step 3: Cross multiply
    545,003.94x = 817,243.44 × 190,010.10
  4. Step 4: Simplify right side
    545,003.94x = 155,284,507,758.74
  5. Step 5: Solve for x
    x = 155,284,507,758.74/545,003.94
  6. Step 6: Final answer
    x = 284,923.64

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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.