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Finding the Fourth Proportional to 313,332.70, 432,400.08 and 170,092.90

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Solution

The fourth proportional to 313,332.70, 432,400.08 and 170,092.90 is: 234,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,332.70 : 432,400.08 = 170,092.90 : x
  2. Step 2: Convert to fraction form
    313,332.70/432,400.08 = 170,092.90/x
  3. Step 3: Cross multiply
    313,332.70x = 432,400.08 × 170,092.90
  4. Step 4: Simplify right side
    313,332.70x = 73,548,183,567.43
  5. Step 5: Solve for x
    x = 73,548,183,567.43/313,332.70
  6. Step 6: Final answer
    x = 234,728.72

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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.