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Finding the Fourth Proportional to 504,682.32, 696,341.87 and 286,873.86

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Solution

The fourth proportional to 504,682.32, 696,341.87 and 286,873.86 is: 395,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,682.32 : 696,341.87 = 286,873.86 : x
  2. Step 2: Convert to fraction form
    504,682.32/696,341.87 = 286,873.86/x
  3. Step 3: Cross multiply
    504,682.32x = 696,341.87 × 286,873.86
  4. Step 4: Simplify right side
    504,682.32x = 199,762,278,692.15
  5. Step 5: Solve for x
    x = 199,762,278,692.15/504,682.32
  6. Step 6: Final answer
    x = 395,817.87

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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.