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Finding the Fourth Proportional to 304,482.20, 456,723.30 and 94,141.40

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Solution

The fourth proportional to 304,482.20, 456,723.30 and 94,141.40 is: 141,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,482.20 : 456,723.30 = 94,141.40 : x
  2. Step 2: Convert to fraction form
    304,482.20/456,723.30 = 94,141.40/x
  3. Step 3: Cross multiply
    304,482.20x = 456,723.30 × 94,141.40
  4. Step 4: Simplify right side
    304,482.20x = 42,996,570,874.62
  5. Step 5: Solve for x
    x = 42,996,570,874.62/304,482.20
  6. Step 6: Final answer
    x = 141,212.10

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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.