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Finding the Fourth Proportional to 586,163.60, 879,245.40 and 186,801.20

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Solution

The fourth proportional to 586,163.60, 879,245.40 and 186,801.20 is: 280,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,163.60 : 879,245.40 = 186,801.20 : x
  2. Step 2: Convert to fraction form
    586,163.60/879,245.40 = 186,801.20/x
  3. Step 3: Cross multiply
    586,163.60x = 879,245.40 × 186,801.20
  4. Step 4: Simplify right side
    586,163.60x = 164,244,095,814.48
  5. Step 5: Solve for x
    x = 164,244,095,814.48/586,163.60
  6. Step 6: Final answer
    x = 280,201.80

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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.