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Finding the Fourth Proportional to 617,466.80, 926,200.20 and 302,538.80

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Solution

The fourth proportional to 617,466.80, 926,200.20 and 302,538.80 is: 453,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,466.80 : 926,200.20 = 302,538.80 : x
  2. Step 2: Convert to fraction form
    617,466.80/926,200.20 = 302,538.80/x
  3. Step 3: Cross multiply
    617,466.80x = 926,200.20 × 302,538.80
  4. Step 4: Simplify right side
    617,466.80x = 280,211,497,067.76
  5. Step 5: Solve for x
    x = 280,211,497,067.76/617,466.80
  6. Step 6: Final answer
    x = 453,808.20

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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.