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Finding the Fourth Proportional to 536,613.60, 804,920.40 and 347,656.80

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Solution

The fourth proportional to 536,613.60, 804,920.40 and 347,656.80 is: 521,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,613.60 : 804,920.40 = 347,656.80 : x
  2. Step 2: Convert to fraction form
    536,613.60/804,920.40 = 347,656.80/x
  3. Step 3: Cross multiply
    536,613.60x = 804,920.40 × 347,656.80
  4. Step 4: Simplify right side
    536,613.60x = 279,836,050,518.72
  5. Step 5: Solve for x
    x = 279,836,050,518.72/536,613.60
  6. Step 6: Final answer
    x = 521,485.20

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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.