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Finding the Fourth Proportional to 671,579.34, 926,802.21 and 365,667.57

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Solution

The fourth proportional to 671,579.34, 926,802.21 and 365,667.57 is: 504,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,579.34 : 926,802.21 = 365,667.57 : x
  2. Step 2: Convert to fraction form
    671,579.34/926,802.21 = 365,667.57/x
  3. Step 3: Cross multiply
    671,579.34x = 926,802.21 × 365,667.57
  4. Step 4: Simplify right side
    671,579.34x = 338,901,512,001.33
  5. Step 5: Solve for x
    x = 338,901,512,001.33/671,579.34
  6. Step 6: Final answer
    x = 504,633.62

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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.