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Finding the Fourth Proportional to 423,660.25, 584,648.88 and 230,066.29

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Solution

The fourth proportional to 423,660.25, 584,648.88 and 230,066.29 is: 317,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,660.25 : 584,648.88 = 230,066.29 : x
  2. Step 2: Convert to fraction form
    423,660.25/584,648.88 = 230,066.29/x
  3. Step 3: Cross multiply
    423,660.25x = 584,648.88 × 230,066.29
  4. Step 4: Simplify right side
    423,660.25x = 134,507,998,774.26
  5. Step 5: Solve for x
    x = 134,507,998,774.26/423,660.25
  6. Step 6: Final answer
    x = 317,490.25

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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.