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Finding the Fourth Proportional to 656,601.09, 906,186.89 and 366,258.39

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Solution

The fourth proportional to 656,601.09, 906,186.89 and 366,258.39 is: 505,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,601.09 : 906,186.89 = 366,258.39 : x
  2. Step 2: Convert to fraction form
    656,601.09/906,186.89 = 366,258.39/x
  3. Step 3: Cross multiply
    656,601.09x = 906,186.89 × 366,258.39
  4. Step 4: Simplify right side
    656,601.09x = 331,898,549,539.22
  5. Step 5: Solve for x
    x = 331,898,549,539.22/656,601.09
  6. Step 6: Final answer
    x = 505,479.74

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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.