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Finding the Fourth Proportional to 249,940.98, 344,559.69 and 178,196.49

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Solution

The fourth proportional to 249,940.98, 344,559.69 and 178,196.49 is: 245,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,940.98 : 344,559.69 = 178,196.49 : x
  2. Step 2: Convert to fraction form
    249,940.98/344,559.69 = 178,196.49/x
  3. Step 3: Cross multiply
    249,940.98x = 344,559.69 × 178,196.49
  4. Step 4: Simplify right side
    249,940.98x = 61,399,327,353.49
  5. Step 5: Solve for x
    x = 61,399,327,353.49/249,940.98
  6. Step 6: Final answer
    x = 245,655.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.