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Finding the Fourth Proportional to 504,892.96, 696,752.24 and 278,538.46

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Solution

The fourth proportional to 504,892.96, 696,752.24 and 278,538.46 is: 384,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,892.96 : 696,752.24 = 278,538.46 : x
  2. Step 2: Convert to fraction form
    504,892.96/696,752.24 = 278,538.46/x
  3. Step 3: Cross multiply
    504,892.96x = 696,752.24 × 278,538.46
  4. Step 4: Simplify right side
    504,892.96x = 194,072,295,931.15
  5. Step 5: Solve for x
    x = 194,072,295,931.15/504,892.96
  6. Step 6: Final answer
    x = 384,383.05

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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.