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Finding the Fourth Proportional to 542,361.06, 748,205.13 and 341,267.94

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Solution

The fourth proportional to 542,361.06, 748,205.13 and 341,267.94 is: 470,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,361.06 : 748,205.13 = 341,267.94 : x
  2. Step 2: Convert to fraction form
    542,361.06/748,205.13 = 341,267.94/x
  3. Step 3: Cross multiply
    542,361.06x = 748,205.13 × 341,267.94
  4. Step 4: Simplify right side
    542,361.06x = 255,338,423,412.53
  5. Step 5: Solve for x
    x = 255,338,423,412.53/542,361.06
  6. Step 6: Final answer
    x = 470,790.48

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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.