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Finding the Fourth Proportional to 485,859.83, 728,790.98 and 249,073.34

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Solution

The fourth proportional to 485,859.83, 728,790.98 and 249,073.34 is: 373,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,859.83 : 728,790.98 = 249,073.34 : x
  2. Step 2: Convert to fraction form
    485,859.83/728,790.98 = 249,073.34/x
  3. Step 3: Cross multiply
    485,859.83x = 728,790.98 × 249,073.34
  4. Step 4: Simplify right side
    485,859.83x = 181,522,403,550.47
  5. Step 5: Solve for x
    x = 181,522,403,550.47/485,859.83
  6. Step 6: Final answer
    x = 373,610.64

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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.