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Finding the Fourth Proportional to 797,063.84, 1,195,782.68 and 317,321

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Solution

The fourth proportional to 797,063.84, 1,195,782.68 and 317,321 is: 476,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,063.84 : 1,195,782.68 = 317,321 : x
  2. Step 2: Convert to fraction form
    797,063.84/1,195,782.68 = 317,321/x
  3. Step 3: Cross multiply
    797,063.84x = 1,195,782.68 × 317,321
  4. Step 4: Simplify right side
    797,063.84x = 379,446,955,800.28
  5. Step 5: Solve for x
    x = 379,446,955,800.28/797,063.84
  6. Step 6: Final answer
    x = 476,055.92

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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.