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Finding the Fourth Proportional to 423,725.60, 584,745.54 and 230,137.08

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Solution

The fourth proportional to 423,725.60, 584,745.54 and 230,137.08 is: 317,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,725.60 : 584,745.54 = 230,137.08 : x
  2. Step 2: Convert to fraction form
    423,725.60/584,745.54 = 230,137.08/x
  3. Step 3: Cross multiply
    423,725.60x = 584,745.54 × 230,137.08
  4. Step 4: Simplify right side
    423,725.60x = 134,571,631,118.62
  5. Step 5: Solve for x
    x = 134,571,631,118.62/423,725.60
  6. Step 6: Final answer
    x = 317,591.46

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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.