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Finding the Fourth Proportional to 417,657.86, 576,367.61 and 236,366.49

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Solution

The fourth proportional to 417,657.86, 576,367.61 and 236,366.49 is: 326,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,657.86 : 576,367.61 = 236,366.49 : x
  2. Step 2: Convert to fraction form
    417,657.86/576,367.61 = 236,366.49/x
  3. Step 3: Cross multiply
    417,657.86x = 576,367.61 × 236,366.49
  4. Step 4: Simplify right side
    417,657.86x = 136,233,988,925.39
  5. Step 5: Solve for x
    x = 136,233,988,925.39/417,657.86
  6. Step 6: Final answer
    x = 326,185.62

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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.