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Finding the Fourth Proportional to 307,006.40, 460,077.60 and 243,934.40

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Solution

The fourth proportional to 307,006.40, 460,077.60 and 243,934.40 is: 365,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,006.40 : 460,077.60 = 243,934.40 : x
  2. Step 2: Convert to fraction form
    307,006.40/460,077.60 = 243,934.40/x
  3. Step 3: Cross multiply
    307,006.40x = 460,077.60 × 243,934.40
  4. Step 4: Simplify right side
    307,006.40x = 112,228,753,309.44
  5. Step 5: Solve for x
    x = 112,228,753,309.44/307,006.40
  6. Step 6: Final answer
    x = 365,558.35

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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.