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Finding the Fourth Proportional to 644,563.14, 965,270.04 and 556,383.30

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Solution

The fourth proportional to 644,563.14, 965,270.04 and 556,383.30 is: 833,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,563.14 : 965,270.04 = 556,383.30 : x
  2. Step 2: Convert to fraction form
    644,563.14/965,270.04 = 556,383.30/x
  3. Step 3: Cross multiply
    644,563.14x = 965,270.04 × 556,383.30
  4. Step 4: Simplify right side
    644,563.14x = 537,060,130,246.33
  5. Step 5: Solve for x
    x = 537,060,130,246.33/644,563.14
  6. Step 6: Final answer
    x = 833,215.70

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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.