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Finding the Fourth Proportional to 504,683.32, 696,343.24 and 286,874.86

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Solution

The fourth proportional to 504,683.32, 696,343.24 and 286,874.86 is: 395,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,683.32 : 696,343.24 = 286,874.86 : x
  2. Step 2: Convert to fraction form
    504,683.32/696,343.24 = 286,874.86/x
  3. Step 3: Cross multiply
    504,683.32x = 696,343.24 × 286,874.86
  4. Step 4: Simplify right side
    504,683.32x = 199,763,369,486.95
  5. Step 5: Solve for x
    x = 199,763,369,486.95/504,683.32
  6. Step 6: Final answer
    x = 395,819.24

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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.