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Finding the Fourth Proportional to 329,828.20, 462,692.60 and 329,828.20

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Solution

The fourth proportional to 329,828.20, 462,692.60 and 329,828.20 is: 462,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,828.20 : 462,692.60 = 329,828.20 : x
  2. Step 2: Convert to fraction form
    329,828.20/462,692.60 = 329,828.20/x
  3. Step 3: Cross multiply
    329,828.20x = 462,692.60 × 329,828.20
  4. Step 4: Simplify right side
    329,828.20x = 152,609,067,411.32
  5. Step 5: Solve for x
    x = 152,609,067,411.32/329,828.20
  6. Step 6: Final answer
    x = 462,692.60

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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.