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Finding the Fourth Proportional to 270,535.60, 404,928.60 and 191,803.60

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Solution

The fourth proportional to 270,535.60, 404,928.60 and 191,803.60 is: 287,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,535.60 : 404,928.60 = 191,803.60 : x
  2. Step 2: Convert to fraction form
    270,535.60/404,928.60 = 191,803.60/x
  3. Step 3: Cross multiply
    270,535.60x = 404,928.60 × 191,803.60
  4. Step 4: Simplify right side
    270,535.60x = 77,666,763,222.96
  5. Step 5: Solve for x
    x = 77,666,763,222.96/270,535.60
  6. Step 6: Final answer
    x = 287,085.19

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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.