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Finding the Fourth Proportional to 249,611.80, 350,078.60 and 249,611.80

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Solution

The fourth proportional to 249,611.80, 350,078.60 and 249,611.80 is: 350,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,611.80 : 350,078.60 = 249,611.80 : x
  2. Step 2: Convert to fraction form
    249,611.80/350,078.60 = 249,611.80/x
  3. Step 3: Cross multiply
    249,611.80x = 350,078.60 × 249,611.80
  4. Step 4: Simplify right side
    249,611.80x = 87,383,749,487.48
  5. Step 5: Solve for x
    x = 87,383,749,487.48/249,611.80
  6. Step 6: Final answer
    x = 350,078.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.