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Finding the Fourth Proportional to 693,274.71, 956,768.62 and 383,170.64

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Solution

The fourth proportional to 693,274.71, 956,768.62 and 383,170.64 is: 528,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,274.71 : 956,768.62 = 383,170.64 : x
  2. Step 2: Convert to fraction form
    693,274.71/956,768.62 = 383,170.64/x
  3. Step 3: Cross multiply
    693,274.71x = 956,768.62 × 383,170.64
  4. Step 4: Simplify right side
    693,274.71x = 366,605,644,457.32
  5. Step 5: Solve for x
    x = 366,605,644,457.32/693,274.71
  6. Step 6: Final answer
    x = 528,802.85

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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.