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Finding the Fourth Proportional to 501,624.63, 692,207.91 and 275,284.71

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Solution

The fourth proportional to 501,624.63, 692,207.91 and 275,284.71 is: 379,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,624.63 : 692,207.91 = 275,284.71 : x
  2. Step 2: Convert to fraction form
    501,624.63/692,207.91 = 275,284.71/x
  3. Step 3: Cross multiply
    501,624.63x = 692,207.91 × 275,284.71
  4. Step 4: Simplify right side
    501,624.63x = 190,554,253,764.06
  5. Step 5: Solve for x
    x = 190,554,253,764.06/501,624.63
  6. Step 6: Final answer
    x = 379,874.20

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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.