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Finding the Fourth Proportional to 452,486.70, 676,980.45 and 295,022.70

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Solution

The fourth proportional to 452,486.70, 676,980.45 and 295,022.70 is: 441,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,486.70 : 676,980.45 = 295,022.70 : x
  2. Step 2: Convert to fraction form
    452,486.70/676,980.45 = 295,022.70/x
  3. Step 3: Cross multiply
    452,486.70x = 676,980.45 × 295,022.70
  4. Step 4: Simplify right side
    452,486.70x = 199,724,600,206.22
  5. Step 5: Solve for x
    x = 199,724,600,206.22/452,486.70
  6. Step 6: Final answer
    x = 441,393.31

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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.