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Finding the Fourth Proportional to 236,418.40, 354,627.60 and 217,064.80

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Solution

The fourth proportional to 236,418.40, 354,627.60 and 217,064.80 is: 325,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,418.40 : 354,627.60 = 217,064.80 : x
  2. Step 2: Convert to fraction form
    236,418.40/354,627.60 = 217,064.80/x
  3. Step 3: Cross multiply
    236,418.40x = 354,627.60 × 217,064.80
  4. Step 4: Simplify right side
    236,418.40x = 76,977,169,068.48
  5. Step 5: Solve for x
    x = 76,977,169,068.48/236,418.40
  6. Step 6: Final answer
    x = 325,597.20

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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.