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Finding the Fourth Proportional to 536,613.10, 804,919.65 and 347,656.30

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Solution

The fourth proportional to 536,613.10, 804,919.65 and 347,656.30 is: 521,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,613.10 : 804,919.65 = 347,656.30 : x
  2. Step 2: Convert to fraction form
    536,613.10/804,919.65 = 347,656.30/x
  3. Step 3: Cross multiply
    536,613.10x = 804,919.65 × 347,656.30
  4. Step 4: Simplify right side
    536,613.10x = 279,835,387,316.30
  5. Step 5: Solve for x
    x = 279,835,387,316.30/536,613.10
  6. Step 6: Final answer
    x = 521,484.45

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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.