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Finding the Fourth Proportional to 368,001.80, 516,383.50 and 368,001.80

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Solution

The fourth proportional to 368,001.80, 516,383.50 and 368,001.80 is: 516,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,001.80 : 516,383.50 = 368,001.80 : x
  2. Step 2: Convert to fraction form
    368,001.80/516,383.50 = 368,001.80/x
  3. Step 3: Cross multiply
    368,001.80x = 516,383.50 × 368,001.80
  4. Step 4: Simplify right side
    368,001.80x = 190,030,057,490.30
  5. Step 5: Solve for x
    x = 190,030,057,490.30/368,001.80
  6. Step 6: Final answer
    x = 516,383.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.