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Finding the Fourth Proportional to 693,896, 957,576.48 and 375,944

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Solution

The fourth proportional to 693,896, 957,576.48 and 375,944 is: 518,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,896 : 957,576.48 = 375,944 : x
  2. Step 2: Convert to fraction form
    693,896/957,576.48 = 375,944/x
  3. Step 3: Cross multiply
    693,896x = 957,576.48 × 375,944
  4. Step 4: Simplify right side
    693,896x = 359,995,132,197.12
  5. Step 5: Solve for x
    x = 359,995,132,197.12/693,896
  6. Step 6: Final answer
    x = 518,802.72

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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.