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Finding the Fourth Proportional to 589,134.40, 883,701.60 and 189,774.40

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Solution

The fourth proportional to 589,134.40, 883,701.60 and 189,774.40 is: 284,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,134.40 : 883,701.60 = 189,774.40 : x
  2. Step 2: Convert to fraction form
    589,134.40/883,701.60 = 189,774.40/x
  3. Step 3: Cross multiply
    589,134.40x = 883,701.60 × 189,774.40
  4. Step 4: Simplify right side
    589,134.40x = 167,703,940,919.04
  5. Step 5: Solve for x
    x = 167,703,940,919.04/589,134.40
  6. Step 6: Final answer
    x = 284,661.60

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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.