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Finding the Fourth Proportional to 426,366.77, 639,212.79 and 160,097.63

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Solution

The fourth proportional to 426,366.77, 639,212.79 and 160,097.63 is: 240,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,366.77 : 639,212.79 = 160,097.63 : x
  2. Step 2: Convert to fraction form
    426,366.77/639,212.79 = 160,097.63/x
  3. Step 3: Cross multiply
    426,366.77x = 639,212.79 × 160,097.63
  4. Step 4: Simplify right side
    426,366.77x = 102,336,452,744.69
  5. Step 5: Solve for x
    x = 102,336,452,744.69/426,366.77
  6. Step 6: Final answer
    x = 240,019.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.