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Finding the Fourth Proportional to 297,680.99, 410,807.63 and 170,397.59

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Solution

The fourth proportional to 297,680.99, 410,807.63 and 170,397.59 is: 235,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,680.99 : 410,807.63 = 170,397.59 : x
  2. Step 2: Convert to fraction form
    297,680.99/410,807.63 = 170,397.59/x
  3. Step 3: Cross multiply
    297,680.99x = 410,807.63 × 170,397.59
  4. Step 4: Simplify right side
    297,680.99x = 70,000,628,477.57
  5. Step 5: Solve for x
    x = 70,000,628,477.57/297,680.99
  6. Step 6: Final answer
    x = 235,153.17

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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.