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Finding the Fourth Proportional to 461,478.92, 692,218.41 and 124,519.58

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Solution

The fourth proportional to 461,478.92, 692,218.41 and 124,519.58 is: 186,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,478.92 : 692,218.41 = 124,519.58 : x
  2. Step 2: Convert to fraction form
    461,478.92/692,218.41 = 124,519.58/x
  3. Step 3: Cross multiply
    461,478.92x = 692,218.41 × 124,519.58
  4. Step 4: Simplify right side
    461,478.92x = 86,194,744,349.25
  5. Step 5: Solve for x
    x = 86,194,744,349.25/461,478.92
  6. Step 6: Final answer
    x = 186,779.37

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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.