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Finding the Fourth Proportional to 224,028.80, 336,043.20 and 210,204.80

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Solution

The fourth proportional to 224,028.80, 336,043.20 and 210,204.80 is: 315,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,028.80 : 336,043.20 = 210,204.80 : x
  2. Step 2: Convert to fraction form
    224,028.80/336,043.20 = 210,204.80/x
  3. Step 3: Cross multiply
    224,028.80x = 336,043.20 × 210,204.80
  4. Step 4: Simplify right side
    224,028.80x = 70,637,893,647.36
  5. Step 5: Solve for x
    x = 70,637,893,647.36/224,028.80
  6. Step 6: Final answer
    x = 315,307.20

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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.