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Finding the Fourth Proportional to 585,521.07, 877,603.90 and 269,314.35

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Solution

The fourth proportional to 585,521.07, 877,603.90 and 269,314.35 is: 403,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,521.07 : 877,603.90 = 269,314.35 : x
  2. Step 2: Convert to fraction form
    585,521.07/877,603.90 = 269,314.35/x
  3. Step 3: Cross multiply
    585,521.07x = 877,603.90 × 269,314.35
  4. Step 4: Simplify right side
    585,521.07x = 236,351,323,885.97
  5. Step 5: Solve for x
    x = 236,351,323,885.97/585,521.07
  6. Step 6: Final answer
    x = 403,659.81

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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.