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Finding the Fourth Proportional to 323,445.20, 484,246.20 and 314,229.20

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Solution

The fourth proportional to 323,445.20, 484,246.20 and 314,229.20 is: 470,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,445.20 : 484,246.20 = 314,229.20 : x
  2. Step 2: Convert to fraction form
    323,445.20/484,246.20 = 314,229.20/x
  3. Step 3: Cross multiply
    323,445.20x = 484,246.20 × 314,229.20
  4. Step 4: Simplify right side
    323,445.20x = 152,164,296,029.04
  5. Step 5: Solve for x
    x = 152,164,296,029.04/323,445.20
  6. Step 6: Final answer
    x = 470,448.46

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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.