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Finding the Fourth Proportional to 503,068.08, 694,284.88 and 288,236.64

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Solution

The fourth proportional to 503,068.08, 694,284.88 and 288,236.64 is: 397,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,068.08 : 694,284.88 = 288,236.64 : x
  2. Step 2: Convert to fraction form
    503,068.08/694,284.88 = 288,236.64/x
  3. Step 3: Cross multiply
    503,068.08x = 694,284.88 × 288,236.64
  4. Step 4: Simplify right side
    503,068.08x = 200,118,341,014.00
  5. Step 5: Solve for x
    x = 200,118,341,014.00/503,068.08
  6. Step 6: Final answer
    x = 397,795.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.