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Finding the Fourth Proportional to 297,783.80, 410,959.86 and 170,456.36

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Solution

The fourth proportional to 297,783.80, 410,959.86 and 170,456.36 is: 235,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,783.80 : 410,959.86 = 170,456.36 : x
  2. Step 2: Convert to fraction form
    297,783.80/410,959.86 = 170,456.36/x
  3. Step 3: Cross multiply
    297,783.80x = 410,959.86 × 170,456.36
  4. Step 4: Simplify right side
    297,783.80x = 70,050,721,841.71
  5. Step 5: Solve for x
    x = 70,050,721,841.71/297,783.80
  6. Step 6: Final answer
    x = 235,240.20

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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.