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Finding the Fourth Proportional to 317,673.36, 476,510.21 and 199,427.74

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Solution

The fourth proportional to 317,673.36, 476,510.21 and 199,427.74 is: 299,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,673.36 : 476,510.21 = 199,427.74 : x
  2. Step 2: Convert to fraction form
    317,673.36/476,510.21 = 199,427.74/x
  3. Step 3: Cross multiply
    317,673.36x = 476,510.21 × 199,427.74
  4. Step 4: Simplify right side
    317,673.36x = 95,029,352,826.67
  5. Step 5: Solve for x
    x = 95,029,352,826.67/317,673.36
  6. Step 6: Final answer
    x = 299,141.71

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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.