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Finding the Fourth Proportional to 501,903.02, 752,271.06 and 186,158.54

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Solution

The fourth proportional to 501,903.02, 752,271.06 and 186,158.54 is: 279,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,903.02 : 752,271.06 = 186,158.54 : x
  2. Step 2: Convert to fraction form
    501,903.02/752,271.06 = 186,158.54/x
  3. Step 3: Cross multiply
    501,903.02x = 752,271.06 × 186,158.54
  4. Step 4: Simplify right side
    501,903.02x = 140,041,682,213.85
  5. Step 5: Solve for x
    x = 140,041,682,213.85/501,903.02
  6. Step 6: Final answer
    x = 279,021.40

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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.