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Finding the Fourth Proportional to 530,611.85, 732,207.39 and 301,173.80

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Solution

The fourth proportional to 530,611.85, 732,207.39 and 301,173.80 is: 415,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,611.85 : 732,207.39 = 301,173.80 : x
  2. Step 2: Convert to fraction form
    530,611.85/732,207.39 = 301,173.80/x
  3. Step 3: Cross multiply
    530,611.85x = 732,207.39 × 301,173.80
  4. Step 4: Simplify right side
    530,611.85x = 220,521,678,373.35
  5. Step 5: Solve for x
    x = 220,521,678,373.35/530,611.85
  6. Step 6: Final answer
    x = 415,598.86

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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.