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Finding the Fourth Proportional to 324,563, 486,420.36 and 234,907.58

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Solution

The fourth proportional to 324,563, 486,420.36 and 234,907.58 is: 352,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,563 : 486,420.36 = 234,907.58 : x
  2. Step 2: Convert to fraction form
    324,563/486,420.36 = 234,907.58/x
  3. Step 3: Cross multiply
    324,563x = 486,420.36 × 234,907.58
  4. Step 4: Simplify right side
    324,563x = 114,263,829,630.33
  5. Step 5: Solve for x
    x = 114,263,829,630.33/324,563
  6. Step 6: Final answer
    x = 352,054.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.