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Finding the Fourth Proportional to 507,037.64, 699,720.21 and 277,591.08

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Solution

The fourth proportional to 507,037.64, 699,720.21 and 277,591.08 is: 383,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,037.64 : 699,720.21 = 277,591.08 : x
  2. Step 2: Convert to fraction form
    507,037.64/699,720.21 = 277,591.08/x
  3. Step 3: Cross multiply
    507,037.64x = 699,720.21 × 277,591.08
  4. Step 4: Simplify right side
    507,037.64x = 194,236,088,791.73
  5. Step 5: Solve for x
    x = 194,236,088,791.73/507,037.64
  6. Step 6: Final answer
    x = 383,080.22

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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.