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Finding the Fourth Proportional to 224,021.60, 336,032.40 and 218,837.60

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Solution

The fourth proportional to 224,021.60, 336,032.40 and 218,837.60 is: 328,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,021.60 : 336,032.40 = 218,837.60 : x
  2. Step 2: Convert to fraction form
    224,021.60/336,032.40 = 218,837.60/x
  3. Step 3: Cross multiply
    224,021.60x = 336,032.40 × 218,837.60
  4. Step 4: Simplify right side
    224,021.60x = 73,536,523,938.24
  5. Step 5: Solve for x
    x = 73,536,523,938.24/224,021.60
  6. Step 6: Final answer
    x = 328,256.40

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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.