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Finding the Fourth Proportional to 236,640,984.40, 354,289,630.20 and 236,640,984.40

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Solution

The fourth proportional to 236,640,984.40, 354,289,630.20 and 236,640,984.40 is: 354,289,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,640,984.40 : 354,289,630.20 = 236,640,984.40 : x
  2. Step 2: Convert to fraction form
    236,640,984.40/354,289,630.20 = 236,640,984.40/x
  3. Step 3: Cross multiply
    236,640,984.40x = 354,289,630.20 × 236,640,984.40
  4. Step 4: Simplify right side
    236,640,984.40x = 83,839,446,853,239,968
  5. Step 5: Solve for x
    x = 83,839,446,853,239,968/236,640,984.40
  6. Step 6: Final answer
    x = 354,289,630.20

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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.