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Finding the Fourth Proportional to 705,313.54, 973,630.62 and 476,181.18

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Solution

The fourth proportional to 705,313.54, 973,630.62 and 476,181.18 is: 657,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,313.54 : 973,630.62 = 476,181.18 : x
  2. Step 2: Convert to fraction form
    705,313.54/973,630.62 = 476,181.18/x
  3. Step 3: Cross multiply
    705,313.54x = 973,630.62 × 476,181.18
  4. Step 4: Simplify right side
    705,313.54x = 463,624,577,515.73
  5. Step 5: Solve for x
    x = 463,624,577,515.73/705,313.54
  6. Step 6: Final answer
    x = 657,331.17

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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.