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Finding the Fourth Proportional to 866,328.24, 1,195,053 and 503,712

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Solution

The fourth proportional to 866,328.24, 1,195,053 and 503,712 is: 694,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,328.24 : 1,195,053 = 503,712 : x
  2. Step 2: Convert to fraction form
    866,328.24/1,195,053 = 503,712/x
  3. Step 3: Cross multiply
    866,328.24x = 1,195,053 × 503,712
  4. Step 4: Simplify right side
    866,328.24x = 601,962,536,736
  5. Step 5: Solve for x
    x = 601,962,536,736/866,328.24
  6. Step 6: Final answer
    x = 694,843.49

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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.