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Finding the Fourth Proportional to 585,519.57, 877,601.66 and 269,312.85

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Solution

The fourth proportional to 585,519.57, 877,601.66 and 269,312.85 is: 403,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,519.57 : 877,601.66 = 269,312.85 : x
  2. Step 2: Convert to fraction form
    585,519.57/877,601.66 = 269,312.85/x
  3. Step 3: Cross multiply
    585,519.57x = 877,601.66 × 269,312.85
  4. Step 4: Simplify right side
    585,519.57x = 236,349,402,872.77
  5. Step 5: Solve for x
    x = 236,349,402,872.77/585,519.57
  6. Step 6: Final answer
    x = 403,657.56

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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.