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Finding the Fourth Proportional to 423,485.44, 584,410.92 and 232,511.16

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Solution

The fourth proportional to 423,485.44, 584,410.92 and 232,511.16 is: 320,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,485.44 : 584,410.92 = 232,511.16 : x
  2. Step 2: Convert to fraction form
    423,485.44/584,410.92 = 232,511.16/x
  3. Step 3: Cross multiply
    423,485.44x = 584,410.92 × 232,511.16
  4. Step 4: Simplify right side
    423,485.44x = 135,882,060,925.87
  5. Step 5: Solve for x
    x = 135,882,060,925.87/423,485.44
  6. Step 6: Final answer
    x = 320,865.96

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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.