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Finding the Fourth Proportional to 543,503.96, 811,595.98 and 443,861.82

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Solution

The fourth proportional to 543,503.96, 811,595.98 and 443,861.82 is: 662,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,503.96 : 811,595.98 = 443,861.82 : x
  2. Step 2: Convert to fraction form
    543,503.96/811,595.98 = 443,861.82/x
  3. Step 3: Cross multiply
    543,503.96x = 811,595.98 × 443,861.82
  4. Step 4: Simplify right side
    543,503.96x = 360,236,468,787.48
  5. Step 5: Solve for x
    x = 360,236,468,787.48/543,503.96
  6. Step 6: Final answer
    x = 662,803.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.