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Finding the Fourth Proportional to 507,089.36, 759,528.70 and 253,928.32

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Solution

The fourth proportional to 507,089.36, 759,528.70 and 253,928.32 is: 380,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,089.36 : 759,528.70 = 253,928.32 : x
  2. Step 2: Convert to fraction form
    507,089.36/759,528.70 = 253,928.32/x
  3. Step 3: Cross multiply
    507,089.36x = 759,528.70 × 253,928.32
  4. Step 4: Simplify right side
    507,089.36x = 192,865,844,249.14
  5. Step 5: Solve for x
    x = 192,865,844,249.14/507,089.36
  6. Step 6: Final answer
    x = 380,338.97

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Half scale
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Double scale
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Similar ratio
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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.