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Finding the Fourth Proportional to 661,664.75, 992,544.59 and 277,026.58

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Solution

The fourth proportional to 661,664.75, 992,544.59 and 277,026.58 is: 415,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,664.75 : 992,544.59 = 277,026.58 : x
  2. Step 2: Convert to fraction form
    661,664.75/992,544.59 = 277,026.58/x
  3. Step 3: Cross multiply
    661,664.75x = 992,544.59 × 277,026.58
  4. Step 4: Simplify right side
    661,664.75x = 274,961,233,640.18
  5. Step 5: Solve for x
    x = 274,961,233,640.18/661,664.75
  6. Step 6: Final answer
    x = 415,559.74

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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.