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Finding the Fourth Proportional to 516,991.51, 775,336.60 and 201,373.39

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Solution

The fourth proportional to 516,991.51, 775,336.60 and 201,373.39 is: 302,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,991.51 : 775,336.60 = 201,373.39 : x
  2. Step 2: Convert to fraction form
    516,991.51/775,336.60 = 201,373.39/x
  3. Step 3: Cross multiply
    516,991.51x = 775,336.60 × 201,373.39
  4. Step 4: Simplify right side
    516,991.51x = 156,132,159,533.07
  5. Step 5: Solve for x
    x = 156,132,159,533.07/516,991.51
  6. Step 6: Final answer
    x = 302,001.40

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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.