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Finding the Fourth Proportional to 604,671.28, 834,562.02 and 400,361.92

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Solution

The fourth proportional to 604,671.28, 834,562.02 and 400,361.92 is: 552,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,671.28 : 834,562.02 = 400,361.92 : x
  2. Step 2: Convert to fraction form
    604,671.28/834,562.02 = 400,361.92/x
  3. Step 3: Cross multiply
    604,671.28x = 834,562.02 × 400,361.92
  4. Step 4: Simplify right side
    604,671.28x = 334,126,852,686.28
  5. Step 5: Solve for x
    x = 334,126,852,686.28/604,671.28
  6. Step 6: Final answer
    x = 552,576.03

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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.