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Finding the Fourth Proportional to 249,286.80, 373,930.20 and 160,640.40

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Solution

The fourth proportional to 249,286.80, 373,930.20 and 160,640.40 is: 240,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,286.80 : 373,930.20 = 160,640.40 : x
  2. Step 2: Convert to fraction form
    249,286.80/373,930.20 = 160,640.40/x
  3. Step 3: Cross multiply
    249,286.80x = 373,930.20 × 160,640.40
  4. Step 4: Simplify right side
    249,286.80x = 60,068,296,900.08
  5. Step 5: Solve for x
    x = 60,068,296,900.08/249,286.80
  6. Step 6: Final answer
    x = 240,960.60

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1.5x scale

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.