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Finding the Fourth Proportional to 500,010.16, 690,009.96 and 273,655.12

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Solution

The fourth proportional to 500,010.16, 690,009.96 and 273,655.12 is: 377,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,010.16 : 690,009.96 = 273,655.12 : x
  2. Step 2: Convert to fraction form
    500,010.16/690,009.96 = 273,655.12/x
  3. Step 3: Cross multiply
    500,010.16x = 690,009.96 × 273,655.12
  4. Step 4: Simplify right side
    500,010.16x = 188,824,758,405.00
  5. Step 5: Solve for x
    x = 188,824,758,405.00/500,010.16
  6. Step 6: Final answer
    x = 377,641.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.