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Finding the Fourth Proportional to 224,030.80, 336,046.20 and 210,206.80

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Solution

The fourth proportional to 224,030.80, 336,046.20 and 210,206.80 is: 315,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,030.80 : 336,046.20 = 210,206.80 : x
  2. Step 2: Convert to fraction form
    224,030.80/336,046.20 = 210,206.80/x
  3. Step 3: Cross multiply
    224,030.80x = 336,046.20 × 210,206.80
  4. Step 4: Simplify right side
    224,030.80x = 70,639,196,354.16
  5. Step 5: Solve for x
    x = 70,639,196,354.16/224,030.80
  6. Step 6: Final answer
    x = 315,310.20

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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.