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Finding the Fourth Proportional to 304,482.30, 456,723.45 and 79,842.30

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Solution

The fourth proportional to 304,482.30, 456,723.45 and 79,842.30 is: 119,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,482.30 : 456,723.45 = 79,842.30 : x
  2. Step 2: Convert to fraction form
    304,482.30/456,723.45 = 79,842.30/x
  3. Step 3: Cross multiply
    304,482.30x = 456,723.45 × 79,842.30
  4. Step 4: Simplify right side
    304,482.30x = 36,465,850,711.94
  5. Step 5: Solve for x
    x = 36,465,850,711.94/304,482.30
  6. Step 6: Final answer
    x = 119,763.45

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1.5x scale

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.