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Finding the Fourth Proportional to 302,018.28, 452,619.15 and 133,509.93

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Solution

The fourth proportional to 302,018.28, 452,619.15 and 133,509.93 is: 200,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,018.28 : 452,619.15 = 133,509.93 : x
  2. Step 2: Convert to fraction form
    302,018.28/452,619.15 = 133,509.93/x
  3. Step 3: Cross multiply
    302,018.28x = 452,619.15 × 133,509.93
  4. Step 4: Simplify right side
    302,018.28x = 60,429,151,033.16
  5. Step 5: Solve for x
    x = 60,429,151,033.16/302,018.28
  6. Step 6: Final answer
    x = 200,084.42

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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.