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Finding the Fourth Proportional to 617,464.80, 926,197.20 and 302,536.80

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Solution

The fourth proportional to 617,464.80, 926,197.20 and 302,536.80 is: 453,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,464.80 : 926,197.20 = 302,536.80 : x
  2. Step 2: Convert to fraction form
    617,464.80/926,197.20 = 302,536.80/x
  3. Step 3: Cross multiply
    617,464.80x = 926,197.20 × 302,536.80
  4. Step 4: Simplify right side
    617,464.80x = 280,208,737,056.96
  5. Step 5: Solve for x
    x = 280,208,737,056.96/617,464.80
  6. Step 6: Final answer
    x = 453,805.20

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Similar ratio
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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.