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Finding the Fourth Proportional to 469,992.66, 704,964.15 and 290,112.18

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Solution

The fourth proportional to 469,992.66, 704,964.15 and 290,112.18 is: 435,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,992.66 : 704,964.15 = 290,112.18 : x
  2. Step 2: Convert to fraction form
    469,992.66/704,964.15 = 290,112.18/x
  3. Step 3: Cross multiply
    469,992.66x = 704,964.15 × 290,112.18
  4. Step 4: Simplify right side
    469,992.66x = 204,518,686,378.35
  5. Step 5: Solve for x
    x = 204,518,686,378.35/469,992.66
  6. Step 6: Final answer
    x = 435,152.94

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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.