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Finding the Fourth Proportional to 485,922.39, 728,883.66 and 249,114.03

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Solution

The fourth proportional to 485,922.39, 728,883.66 and 249,114.03 is: 373,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,922.39 : 728,883.66 = 249,114.03 : x
  2. Step 2: Convert to fraction form
    485,922.39/728,883.66 = 249,114.03/x
  3. Step 3: Cross multiply
    485,922.39x = 728,883.66 × 249,114.03
  4. Step 4: Simplify right side
    485,922.39x = 181,575,148,244.58
  5. Step 5: Solve for x
    x = 181,575,148,244.58/485,922.39
  6. Step 6: Final answer
    x = 373,671.09

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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.