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Finding the Fourth Proportional to 503,558.85, 695,057.94 and 329,154.39

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Solution

The fourth proportional to 503,558.85, 695,057.94 and 329,154.39 is: 454,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,558.85 : 695,057.94 = 329,154.39 : x
  2. Step 2: Convert to fraction form
    503,558.85/695,057.94 = 329,154.39/x
  3. Step 3: Cross multiply
    503,558.85x = 695,057.94 × 329,154.39
  4. Step 4: Simplify right side
    503,558.85x = 228,781,372,255.36
  5. Step 5: Solve for x
    x = 228,781,372,255.36/503,558.85
  6. Step 6: Final answer
    x = 454,328.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.