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Finding the Fourth Proportional to 423,725.66, 584,745.64 and 230,137.16

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Solution

The fourth proportional to 423,725.66, 584,745.64 and 230,137.16 is: 317,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,725.66 : 584,745.64 = 230,137.16 : x
  2. Step 2: Convert to fraction form
    423,725.66/584,745.64 = 230,137.16/x
  3. Step 3: Cross multiply
    423,725.66x = 584,745.64 × 230,137.16
  4. Step 4: Simplify right side
    423,725.66x = 134,571,697,412.91
  5. Step 5: Solve for x
    x = 134,571,697,412.91/423,725.66
  6. Step 6: Final answer
    x = 317,591.57

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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.