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Finding the Fourth Proportional to 366,926.30, 550,389.45 and 317,062.70

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Solution

The fourth proportional to 366,926.30, 550,389.45 and 317,062.70 is: 475,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.30 : 550,389.45 = 317,062.70 : x
  2. Step 2: Convert to fraction form
    366,926.30/550,389.45 = 317,062.70/x
  3. Step 3: Cross multiply
    366,926.30x = 550,389.45 × 317,062.70
  4. Step 4: Simplify right side
    366,926.30x = 174,507,965,068.52
  5. Step 5: Solve for x
    x = 174,507,965,068.52/366,926.30
  6. Step 6: Final answer
    x = 475,594.05

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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.