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Finding the Fourth Proportional to 302,665, 453,829.74 and 140,382.04

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Solution

The fourth proportional to 302,665, 453,829.74 and 140,382.04 is: 210,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,665 : 453,829.74 = 140,382.04 : x
  2. Step 2: Convert to fraction form
    302,665/453,829.74 = 140,382.04/x
  3. Step 3: Cross multiply
    302,665x = 453,829.74 × 140,382.04
  4. Step 4: Simplify right side
    302,665x = 63,709,544,713.87
  5. Step 5: Solve for x
    x = 63,709,544,713.87/302,665
  6. Step 6: Final answer
    x = 210,495.25

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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.