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Finding the Fourth Proportional to 452,246.08, 678,255.72 and 186,080.08

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Solution

The fourth proportional to 452,246.08, 678,255.72 and 186,080.08 is: 279,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,246.08 : 678,255.72 = 186,080.08 : x
  2. Step 2: Convert to fraction form
    452,246.08/678,255.72 = 186,080.08/x
  3. Step 3: Cross multiply
    452,246.08x = 678,255.72 × 186,080.08
  4. Step 4: Simplify right side
    452,246.08x = 126,209,878,638.06
  5. Step 5: Solve for x
    x = 126,209,878,638.06/452,246.08
  6. Step 6: Final answer
    x = 279,073.46

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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.