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Finding the Fourth Proportional to 304,834.33, 420,671.30 and 168,877.10

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Solution

The fourth proportional to 304,834.33, 420,671.30 and 168,877.10 is: 233,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,834.33 : 420,671.30 = 168,877.10 : x
  2. Step 2: Convert to fraction form
    304,834.33/420,671.30 = 168,877.10/x
  3. Step 3: Cross multiply
    304,834.33x = 420,671.30 × 168,877.10
  4. Step 4: Simplify right side
    304,834.33x = 71,041,750,037.81
  5. Step 5: Solve for x
    x = 71,041,750,037.81/304,834.33
  6. Step 6: Final answer
    x = 233,050.36

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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.