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Finding the Fourth Proportional to 423,787.08, 584,831 and 230,196.57

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Solution

The fourth proportional to 423,787.08, 584,831 and 230,196.57 is: 317,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,787.08 : 584,831 = 230,196.57 : x
  2. Step 2: Convert to fraction form
    423,787.08/584,831 = 230,196.57/x
  3. Step 3: Cross multiply
    423,787.08x = 584,831 × 230,196.57
  4. Step 4: Simplify right side
    423,787.08x = 134,626,090,229.67
  5. Step 5: Solve for x
    x = 134,626,090,229.67/423,787.08
  6. Step 6: Final answer
    x = 317,673.89

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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.