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Finding the Fourth Proportional to 617,454.30, 926,181.45 and 302,526.30

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Solution

The fourth proportional to 617,454.30, 926,181.45 and 302,526.30 is: 453,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,454.30 : 926,181.45 = 302,526.30 : x
  2. Step 2: Convert to fraction form
    617,454.30/926,181.45 = 302,526.30/x
  3. Step 3: Cross multiply
    617,454.30x = 926,181.45 × 302,526.30
  4. Step 4: Simplify right side
    617,454.30x = 280,194,247,197.14
  5. Step 5: Solve for x
    x = 280,194,247,197.14/617,454.30
  6. Step 6: Final answer
    x = 453,789.45

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Double scale
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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.