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Finding the Fourth Proportional to 304,762.97, 420,574.20 and 168,793.94

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Solution

The fourth proportional to 304,762.97, 420,574.20 and 168,793.94 is: 232,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,762.97 : 420,574.20 = 168,793.94 : x
  2. Step 2: Convert to fraction form
    304,762.97/420,574.20 = 168,793.94/x
  3. Step 3: Cross multiply
    304,762.97x = 420,574.20 × 168,793.94
  4. Step 4: Simplify right side
    304,762.97x = 70,990,376,280.35
  5. Step 5: Solve for x
    x = 70,990,376,280.35/304,762.97
  6. Step 6: Final answer
    x = 232,936.36

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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.