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Finding the Fourth Proportional to 455,202.20, 636,102.10 and 455,202.20

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Solution

The fourth proportional to 455,202.20, 636,102.10 and 455,202.20 is: 636,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,202.20 : 636,102.10 = 455,202.20 : x
  2. Step 2: Convert to fraction form
    455,202.20/636,102.10 = 455,202.20/x
  3. Step 3: Cross multiply
    455,202.20x = 636,102.10 × 455,202.20
  4. Step 4: Simplify right side
    455,202.20x = 289,555,075,344.62
  5. Step 5: Solve for x
    x = 289,555,075,344.62/455,202.20
  6. Step 6: Final answer
    x = 636,102.10

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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.