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Finding the Fourth Proportional to 530,615.84, 732,212.90 and 301,177.82

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Solution

The fourth proportional to 530,615.84, 732,212.90 and 301,177.82 is: 415,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,615.84 : 732,212.90 = 301,177.82 : x
  2. Step 2: Convert to fraction form
    530,615.84/732,212.90 = 301,177.82/x
  3. Step 3: Cross multiply
    530,615.84x = 732,212.90 × 301,177.82
  4. Step 4: Simplify right side
    530,615.84x = 220,526,284,997.88
  5. Step 5: Solve for x
    x = 220,526,284,997.88/530,615.84
  6. Step 6: Final answer
    x = 415,604.41

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1.5x scale

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.