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Finding the Fourth Proportional to 530,721.74, 732,388.72 and 301,277

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Solution

The fourth proportional to 530,721.74, 732,388.72 and 301,277 is: 415,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,721.74 : 732,388.72 = 301,277 : x
  2. Step 2: Convert to fraction form
    530,721.74/732,388.72 = 301,277/x
  3. Step 3: Cross multiply
    530,721.74x = 732,388.72 × 301,277
  4. Step 4: Simplify right side
    530,721.74x = 220,651,876,395.44
  5. Step 5: Solve for x
    x = 220,651,876,395.44/530,721.74
  6. Step 6: Final answer
    x = 415,758.13

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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.