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Finding the Fourth Proportional to 423,809.51, 584,850.66 and 230,216.27

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Solution

The fourth proportional to 423,809.51, 584,850.66 and 230,216.27 is: 317,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,809.51 : 584,850.66 = 230,216.27 : x
  2. Step 2: Convert to fraction form
    423,809.51/584,850.66 = 230,216.27/x
  3. Step 3: Cross multiply
    423,809.51x = 584,850.66 × 230,216.27
  4. Step 4: Simplify right side
    423,809.51x = 134,642,137,452.24
  5. Step 5: Solve for x
    x = 134,642,137,452.24/423,809.51
  6. Step 6: Final answer
    x = 317,694.94

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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.