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Finding the Fourth Proportional to 493,615.80, 692,461.80 and 493,615.80

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Solution

The fourth proportional to 493,615.80, 692,461.80 and 493,615.80 is: 692,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,615.80 : 692,461.80 = 493,615.80 : x
  2. Step 2: Convert to fraction form
    493,615.80/692,461.80 = 493,615.80/x
  3. Step 3: Cross multiply
    493,615.80x = 692,461.80 × 493,615.80
  4. Step 4: Simplify right side
    493,615.80x = 341,810,085,376.44
  5. Step 5: Solve for x
    x = 341,810,085,376.44/493,615.80
  6. Step 6: Final answer
    x = 692,461.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.