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Finding the Fourth Proportional to 577,466.80, 865,216.05 and 492,829.90

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Solution

The fourth proportional to 577,466.80, 865,216.05 and 492,829.90 is: 738,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,466.80 : 865,216.05 = 492,829.90 : x
  2. Step 2: Convert to fraction form
    577,466.80/865,216.05 = 492,829.90/x
  3. Step 3: Cross multiply
    577,466.80x = 865,216.05 × 492,829.90
  4. Step 4: Simplify right side
    577,466.80x = 426,404,339,399.90
  5. Step 5: Solve for x
    x = 426,404,339,399.90/577,466.80
  6. Step 6: Final answer
    x = 738,404.94

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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.