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Finding the Fourth Proportional to 224,051.40, 336,077.10 and 210,918.60

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Solution

The fourth proportional to 224,051.40, 336,077.10 and 210,918.60 is: 316,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,051.40 : 336,077.10 = 210,918.60 : x
  2. Step 2: Convert to fraction form
    224,051.40/336,077.10 = 210,918.60/x
  3. Step 3: Cross multiply
    224,051.40x = 336,077.10 × 210,918.60
  4. Step 4: Simplify right side
    224,051.40x = 70,884,911,424.06
  5. Step 5: Solve for x
    x = 70,884,911,424.06/224,051.40
  6. Step 6: Final answer
    x = 316,377.90

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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.