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Finding the Fourth Proportional to 565,533.54, 780,436.44 and 323,896.32

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Solution

The fourth proportional to 565,533.54, 780,436.44 and 323,896.32 is: 446,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,533.54 : 780,436.44 = 323,896.32 : x
  2. Step 2: Convert to fraction form
    565,533.54/780,436.44 = 323,896.32/x
  3. Step 3: Cross multiply
    565,533.54x = 780,436.44 × 323,896.32
  4. Step 4: Simplify right side
    565,533.54x = 252,780,490,909.90
  5. Step 5: Solve for x
    x = 252,780,490,909.90/565,533.54
  6. Step 6: Final answer
    x = 446,977.01

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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.