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Finding the Fourth Proportional to 504,015.40, 695,578.98 and 277,661.80

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Solution

The fourth proportional to 504,015.40, 695,578.98 and 277,661.80 is: 383,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,015.40 : 695,578.98 = 277,661.80 : x
  2. Step 2: Convert to fraction form
    504,015.40/695,578.98 = 277,661.80/x
  3. Step 3: Cross multiply
    504,015.40x = 695,578.98 × 277,661.80
  4. Step 4: Simplify right side
    504,015.40x = 193,135,711,628.96
  5. Step 5: Solve for x
    x = 193,135,711,628.96/504,015.40
  6. Step 6: Final answer
    x = 383,194.07

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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.