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Finding the Fourth Proportional to 323,315.44, 484,974.12 and 112,953.40

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Solution

The fourth proportional to 323,315.44, 484,974.12 and 112,953.40 is: 169,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,315.44 : 484,974.12 = 112,953.40 : x
  2. Step 2: Convert to fraction form
    323,315.44/484,974.12 = 112,953.40/x
  3. Step 3: Cross multiply
    323,315.44x = 484,974.12 × 112,953.40
  4. Step 4: Simplify right side
    323,315.44x = 54,779,475,766.01
  5. Step 5: Solve for x
    x = 54,779,475,766.01/323,315.44
  6. Step 6: Final answer
    x = 169,430.44

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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.