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Finding the Fourth Proportional to 585,756.75, 808,105.78 and 381,733.35

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Solution

The fourth proportional to 585,756.75, 808,105.78 and 381,733.35 is: 526,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,756.75 : 808,105.78 = 381,733.35 : x
  2. Step 2: Convert to fraction form
    585,756.75/808,105.78 = 381,733.35/x
  3. Step 3: Cross multiply
    585,756.75x = 808,105.78 × 381,733.35
  4. Step 4: Simplify right side
    585,756.75x = 308,480,926,553.76
  5. Step 5: Solve for x
    x = 308,480,926,553.76/585,756.75
  6. Step 6: Final answer
    x = 526,636.57

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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.