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Finding the Fourth Proportional to 313,751.69, 432,980.67 and 170,511.73

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Solution

The fourth proportional to 313,751.69, 432,980.67 and 170,511.73 is: 235,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,751.69 : 432,980.67 = 170,511.73 : x
  2. Step 2: Convert to fraction form
    313,751.69/432,980.67 = 170,511.73/x
  3. Step 3: Cross multiply
    313,751.69x = 432,980.67 × 170,511.73
  4. Step 4: Simplify right side
    313,751.69x = 73,828,283,098.26
  5. Step 5: Solve for x
    x = 73,828,283,098.26/313,751.69
  6. Step 6: Final answer
    x = 235,308.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.