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Finding the Fourth Proportional to 970,496.72, 1,455,745.08 and 379,106

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Solution

The fourth proportional to 970,496.72, 1,455,745.08 and 379,106 is: 568,659

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,496.72 : 1,455,745.08 = 379,106 : x
  2. Step 2: Convert to fraction form
    970,496.72/1,455,745.08 = 379,106/x
  3. Step 3: Cross multiply
    970,496.72x = 1,455,745.08 × 379,106
  4. Step 4: Simplify right side
    970,496.72x = 551,881,694,298.48
  5. Step 5: Solve for x
    x = 551,881,694,298.48/970,496.72
  6. Step 6: Final answer
    x = 568,659

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.