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Finding the Fourth Proportional to 585,313.92, 807,734.08 and 317,041.28

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Solution

The fourth proportional to 585,313.92, 807,734.08 and 317,041.28 is: 437,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,313.92 : 807,734.08 = 317,041.28 : x
  2. Step 2: Convert to fraction form
    585,313.92/807,734.08 = 317,041.28/x
  3. Step 3: Cross multiply
    585,313.92x = 807,734.08 × 317,041.28
  4. Step 4: Simplify right side
    585,313.92x = 256,085,046,622.82
  5. Step 5: Solve for x
    x = 256,085,046,622.82/585,313.92
  6. Step 6: Final answer
    x = 437,517.44

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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.