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Finding the Fourth Proportional to 429,596.01, 644,660.13 and 249,766.07

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Solution

The fourth proportional to 429,596.01, 644,660.13 and 249,766.07 is: 374,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,596.01 : 644,660.13 = 249,766.07 : x
  2. Step 2: Convert to fraction form
    429,596.01/644,660.13 = 249,766.07/x
  3. Step 3: Cross multiply
    429,596.01x = 644,660.13 × 249,766.07
  4. Step 4: Simplify right side
    429,596.01x = 161,014,222,761.71
  5. Step 5: Solve for x
    x = 161,014,222,761.71/429,596.01
  6. Step 6: Final answer
    x = 374,803.81

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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.