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Finding the Fourth Proportional to 249,466.89, 374,436.90 and 154,409.53

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Solution

The fourth proportional to 249,466.89, 374,436.90 and 154,409.53 is: 231,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,466.89 : 374,436.90 = 154,409.53 : x
  2. Step 2: Convert to fraction form
    249,466.89/374,436.90 = 154,409.53/x
  3. Step 3: Cross multiply
    249,466.89x = 374,436.90 × 154,409.53
  4. Step 4: Simplify right side
    249,466.89x = 57,816,624,807.56
  5. Step 5: Solve for x
    x = 57,816,624,807.56/249,466.89
  6. Step 6: Final answer
    x = 231,760.72

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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.