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Finding the Fourth Proportional to 693,112, 956,497.44 and 375,160

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Solution

The fourth proportional to 693,112, 956,497.44 and 375,160 is: 517,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,112 : 956,497.44 = 375,160 : x
  2. Step 2: Convert to fraction form
    693,112/956,497.44 = 375,160/x
  3. Step 3: Cross multiply
    693,112x = 956,497.44 × 375,160
  4. Step 4: Simplify right side
    693,112x = 358,839,579,590.40
  5. Step 5: Solve for x
    x = 358,839,579,590.40/693,112
  6. Step 6: Final answer
    x = 517,722.36

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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.