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Finding the Fourth Proportional to 283,607.10, 425,410.65 and 178,631.10

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Solution

The fourth proportional to 283,607.10, 425,410.65 and 178,631.10 is: 267,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.10 : 425,410.65 = 178,631.10 : x
  2. Step 2: Convert to fraction form
    283,607.10/425,410.65 = 178,631.10/x
  3. Step 3: Cross multiply
    283,607.10x = 425,410.65 × 178,631.10
  4. Step 4: Simplify right side
    283,607.10x = 75,991,572,361.22
  5. Step 5: Solve for x
    x = 75,991,572,361.22/283,607.10
  6. Step 6: Final answer
    x = 267,946.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.