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Finding the Fourth Proportional to 249,630.80, 350,105.20 and 249,630.80

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Solution

The fourth proportional to 249,630.80, 350,105.20 and 249,630.80 is: 350,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,630.80 : 350,105.20 = 249,630.80 : x
  2. Step 2: Convert to fraction form
    249,630.80/350,105.20 = 249,630.80/x
  3. Step 3: Cross multiply
    249,630.80x = 350,105.20 × 249,630.80
  4. Step 4: Simplify right side
    249,630.80x = 87,397,041,160.16
  5. Step 5: Solve for x
    x = 87,397,041,160.16/249,630.80
  6. Step 6: Final answer
    x = 350,105.20

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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.