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Finding the Fourth Proportional to 603,028.56, 832,568.82 and 373,830.78

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Solution

The fourth proportional to 603,028.56, 832,568.82 and 373,830.78 is: 516,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,028.56 : 832,568.82 = 373,830.78 : x
  2. Step 2: Convert to fraction form
    603,028.56/832,568.82 = 373,830.78/x
  3. Step 3: Cross multiply
    603,028.56x = 832,568.82 × 373,830.78
  4. Step 4: Simplify right side
    603,028.56x = 311,239,851,384.28
  5. Step 5: Solve for x
    x = 311,239,851,384.28/603,028.56
  6. Step 6: Final answer
    x = 516,127.88

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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.