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Finding the Fourth Proportional to 585,519.07, 877,600.90 and 269,312.35

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Solution

The fourth proportional to 585,519.07, 877,600.90 and 269,312.35 is: 403,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,519.07 : 877,600.90 = 269,312.35 : x
  2. Step 2: Convert to fraction form
    585,519.07/877,600.90 = 269,312.35/x
  3. Step 3: Cross multiply
    585,519.07x = 877,600.90 × 269,312.35
  4. Step 4: Simplify right side
    585,519.07x = 236,348,760,741.12
  5. Step 5: Solve for x
    x = 236,348,760,741.12/585,519.07
  6. Step 6: Final answer
    x = 403,656.81

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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.