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Finding the Fourth Proportional to 607,080.40, 910,620.60 and 186,301.60

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Solution

The fourth proportional to 607,080.40, 910,620.60 and 186,301.60 is: 279,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,080.40 : 910,620.60 = 186,301.60 : x
  2. Step 2: Convert to fraction form
    607,080.40/910,620.60 = 186,301.60/x
  3. Step 3: Cross multiply
    607,080.40x = 910,620.60 × 186,301.60
  4. Step 4: Simplify right side
    607,080.40x = 169,650,074,772.96
  5. Step 5: Solve for x
    x = 169,650,074,772.96/607,080.40
  6. Step 6: Final answer
    x = 279,452.40

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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.