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Finding the Fourth Proportional to 645,041.02, 967,598.44 and 195,776.54

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Solution

The fourth proportional to 645,041.02, 967,598.44 and 195,776.54 is: 293,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,041.02 : 967,598.44 = 195,776.54 : x
  2. Step 2: Convert to fraction form
    645,041.02/967,598.44 = 195,776.54/x
  3. Step 3: Cross multiply
    645,041.02x = 967,598.44 × 195,776.54
  4. Step 4: Simplify right side
    645,041.02x = 189,433,074,692.60
  5. Step 5: Solve for x
    x = 189,433,074,692.60/645,041.02
  6. Step 6: Final answer
    x = 293,676.01

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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.