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Finding the Fourth Proportional to 377,269.56, 520,368.37 and 256,200.68

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Solution

The fourth proportional to 377,269.56, 520,368.37 and 256,200.68 is: 353,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,269.56 : 520,368.37 = 256,200.68 : x
  2. Step 2: Convert to fraction form
    377,269.56/520,368.37 = 256,200.68/x
  3. Step 3: Cross multiply
    377,269.56x = 520,368.37 × 256,200.68
  4. Step 4: Simplify right side
    377,269.56x = 133,318,730,904.91
  5. Step 5: Solve for x
    x = 133,318,730,904.91/377,269.56
  6. Step 6: Final answer
    x = 353,377.92

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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.