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Finding the Fourth Proportional to 524,462.55, 723,571.70 and 309,495.03

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Solution

The fourth proportional to 524,462.55, 723,571.70 and 309,495.03 is: 426,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,462.55 : 723,571.70 = 309,495.03 : x
  2. Step 2: Convert to fraction form
    524,462.55/723,571.70 = 309,495.03/x
  3. Step 3: Cross multiply
    524,462.55x = 723,571.70 × 309,495.03
  4. Step 4: Simplify right side
    524,462.55x = 223,941,843,451.18
  5. Step 5: Solve for x
    x = 223,941,843,451.18/524,462.55
  6. Step 6: Final answer
    x = 426,993.01

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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.