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Finding the Fourth Proportional to 224,038.40, 336,057.60 and 210,905.60

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Solution

The fourth proportional to 224,038.40, 336,057.60 and 210,905.60 is: 316,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,038.40 : 336,057.60 = 210,905.60 : x
  2. Step 2: Convert to fraction form
    224,038.40/336,057.60 = 210,905.60/x
  3. Step 3: Cross multiply
    224,038.40x = 336,057.60 × 210,905.60
  4. Step 4: Simplify right side
    224,038.40x = 70,876,429,762.56
  5. Step 5: Solve for x
    x = 70,876,429,762.56/224,038.40
  6. Step 6: Final answer
    x = 316,358.40

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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.