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Finding the Fourth Proportional to 224,045.40, 336,068.10 and 210,912.60

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Solution

The fourth proportional to 224,045.40, 336,068.10 and 210,912.60 is: 316,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,045.40 : 336,068.10 = 210,912.60 : x
  2. Step 2: Convert to fraction form
    224,045.40/336,068.10 = 210,912.60/x
  3. Step 3: Cross multiply
    224,045.40x = 336,068.10 × 210,912.60
  4. Step 4: Simplify right side
    224,045.40x = 70,880,996,748.06
  5. Step 5: Solve for x
    x = 70,880,996,748.06/224,045.40
  6. Step 6: Final answer
    x = 316,368.90

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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.