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Finding the Fourth Proportional to 304,064.20, 455,943.30 and 93,674.80

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Solution

The fourth proportional to 304,064.20, 455,943.30 and 93,674.80 is: 140,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,064.20 : 455,943.30 = 93,674.80 : x
  2. Step 2: Convert to fraction form
    304,064.20/455,943.30 = 93,674.80/x
  3. Step 3: Cross multiply
    304,064.20x = 455,943.30 × 93,674.80
  4. Step 4: Simplify right side
    304,064.20x = 42,710,397,438.84
  5. Step 5: Solve for x
    x = 42,710,397,438.84/304,064.20
  6. Step 6: Final answer
    x = 140,465.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.