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Finding the Fourth Proportional to 323,497.60, 485,246.40 and 302,502.40

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Solution

The fourth proportional to 323,497.60, 485,246.40 and 302,502.40 is: 453,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,497.60 : 485,246.40 = 302,502.40 : x
  2. Step 2: Convert to fraction form
    323,497.60/485,246.40 = 302,502.40/x
  3. Step 3: Cross multiply
    323,497.60x = 485,246.40 × 302,502.40
  4. Step 4: Simplify right side
    323,497.60x = 146,788,200,591.36
  5. Step 5: Solve for x
    x = 146,788,200,591.36/323,497.60
  6. Step 6: Final answer
    x = 453,753.60

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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.