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Finding the Fourth Proportional to 533,879.36, 800,943.60 and 154,808

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Solution

The fourth proportional to 533,879.36, 800,943.60 and 154,808 is: 232,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,879.36 : 800,943.60 = 154,808 : x
  2. Step 2: Convert to fraction form
    533,879.36/800,943.60 = 154,808/x
  3. Step 3: Cross multiply
    533,879.36x = 800,943.60 × 154,808
  4. Step 4: Simplify right side
    533,879.36x = 123,992,476,828.80
  5. Step 5: Solve for x
    x = 123,992,476,828.80/533,879.36
  6. Step 6: Final answer
    x = 232,248.12

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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.