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Finding the Fourth Proportional to 492,080.30, 738,120.45 and 176,569.10

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Solution

The fourth proportional to 492,080.30, 738,120.45 and 176,569.10 is: 264,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,080.30 : 738,120.45 = 176,569.10 : x
  2. Step 2: Convert to fraction form
    492,080.30/738,120.45 = 176,569.10/x
  3. Step 3: Cross multiply
    492,080.30x = 738,120.45 × 176,569.10
  4. Step 4: Simplify right side
    492,080.30x = 130,329,263,548.10
  5. Step 5: Solve for x
    x = 130,329,263,548.10/492,080.30
  6. Step 6: Final answer
    x = 264,853.65

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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.