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Finding the Fourth Proportional to 446,524.40, 616,192.96 and 255,525.60

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Solution

The fourth proportional to 446,524.40, 616,192.96 and 255,525.60 is: 352,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,524.40 : 616,192.96 = 255,525.60 : x
  2. Step 2: Convert to fraction form
    446,524.40/616,192.96 = 255,525.60/x
  3. Step 3: Cross multiply
    446,524.40x = 616,192.96 × 255,525.60
  4. Step 4: Simplify right side
    446,524.40x = 157,453,075,819.78
  5. Step 5: Solve for x
    x = 157,453,075,819.78/446,524.40
  6. Step 6: Final answer
    x = 352,619.20

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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.