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Finding the Fourth Proportional to 524,280.80, 723,500.60 and 294,838.02

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Solution

The fourth proportional to 524,280.80, 723,500.60 and 294,838.02 is: 406,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,280.80 : 723,500.60 = 294,838.02 : x
  2. Step 2: Convert to fraction form
    524,280.80/723,500.60 = 294,838.02/x
  3. Step 3: Cross multiply
    524,280.80x = 723,500.60 × 294,838.02
  4. Step 4: Simplify right side
    524,280.80x = 213,315,480,755.31
  5. Step 5: Solve for x
    x = 213,315,480,755.31/524,280.80
  6. Step 6: Final answer
    x = 406,872.58

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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.