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Finding the Fourth Proportional to 533,601.32, 736,557.44 and 329,808.56

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Solution

The fourth proportional to 533,601.32, 736,557.44 and 329,808.56 is: 455,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,601.32 : 736,557.44 = 329,808.56 : x
  2. Step 2: Convert to fraction form
    533,601.32/736,557.44 = 329,808.56/x
  3. Step 3: Cross multiply
    533,601.32x = 736,557.44 × 329,808.56
  4. Step 4: Simplify right side
    533,601.32x = 242,922,943,311.86
  5. Step 5: Solve for x
    x = 242,922,943,311.86/533,601.32
  6. Step 6: Final answer
    x = 455,251.77

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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.