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Finding the Fourth Proportional to 707,564.88, 1,061,487.39 and 202,130.22

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Solution

The fourth proportional to 707,564.88, 1,061,487.39 and 202,130.22 is: 303,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,564.88 : 1,061,487.39 = 202,130.22 : x
  2. Step 2: Convert to fraction form
    707,564.88/1,061,487.39 = 202,130.22/x
  3. Step 3: Cross multiply
    707,564.88x = 1,061,487.39 × 202,130.22
  4. Step 4: Simplify right side
    707,564.88x = 214,558,679,667.93
  5. Step 5: Solve for x
    x = 214,558,679,667.93/707,564.88
  6. Step 6: Final answer
    x = 303,235.34

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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.