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Finding the Fourth Proportional to 329,836.20, 462,703.80 and 329,836.20

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Solution

The fourth proportional to 329,836.20, 462,703.80 and 329,836.20 is: 462,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,836.20 : 462,703.80 = 329,836.20 : x
  2. Step 2: Convert to fraction form
    329,836.20/462,703.80 = 329,836.20/x
  3. Step 3: Cross multiply
    329,836.20x = 462,703.80 × 329,836.20
  4. Step 4: Simplify right side
    329,836.20x = 152,616,463,117.56
  5. Step 5: Solve for x
    x = 152,616,463,117.56/329,836.20
  6. Step 6: Final answer
    x = 462,703.80

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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.