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Finding the Fourth Proportional to 423,544.88, 584,511 and 253,775.36

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Solution

The fourth proportional to 423,544.88, 584,511 and 253,775.36 is: 350,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,544.88 : 584,511 = 253,775.36 : x
  2. Step 2: Convert to fraction form
    423,544.88/584,511 = 253,775.36/x
  3. Step 3: Cross multiply
    423,544.88x = 584,511 × 253,775.36
  4. Step 4: Simplify right side
    423,544.88x = 148,334,489,448.96
  5. Step 5: Solve for x
    x = 148,334,489,448.96/423,544.88
  6. Step 6: Final answer
    x = 350,221.42

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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.