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Finding the Fourth Proportional to 313,292.78, 432,332.46 and 170,049.80

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Solution

The fourth proportional to 313,292.78, 432,332.46 and 170,049.80 is: 234,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,292.78 : 432,332.46 = 170,049.80 : x
  2. Step 2: Convert to fraction form
    313,292.78/432,332.46 = 170,049.80/x
  3. Step 3: Cross multiply
    313,292.78x = 432,332.46 × 170,049.80
  4. Step 4: Simplify right side
    313,292.78x = 73,518,048,356.51
  5. Step 5: Solve for x
    x = 73,518,048,356.51/313,292.78
  6. Step 6: Final answer
    x = 234,662.44

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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.