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Finding the Fourth Proportional to 302,344.80, 453,128.40 and 183,890.40

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Solution

The fourth proportional to 302,344.80, 453,128.40 and 183,890.40 is: 275,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,344.80 : 453,128.40 = 183,890.40 : x
  2. Step 2: Convert to fraction form
    302,344.80/453,128.40 = 183,890.40/x
  3. Step 3: Cross multiply
    302,344.80x = 453,128.40 × 183,890.40
  4. Step 4: Simplify right side
    302,344.80x = 83,325,962,727.36
  5. Step 5: Solve for x
    x = 83,325,962,727.36/302,344.80
  6. Step 6: Final answer
    x = 275,599.13

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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.