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Finding the Fourth Proportional to 452,645.59, 679,279.79 and 186,406.08

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Solution

The fourth proportional to 452,645.59, 679,279.79 and 186,406.08 is: 279,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,645.59 : 679,279.79 = 186,406.08 : x
  2. Step 2: Convert to fraction form
    452,645.59/679,279.79 = 186,406.08/x
  3. Step 3: Cross multiply
    452,645.59x = 679,279.79 × 186,406.08
  4. Step 4: Simplify right side
    452,645.59x = 126,621,881,945.09
  5. Step 5: Solve for x
    x = 126,621,881,945.09/452,645.59
  6. Step 6: Final answer
    x = 279,737.36

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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.