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Finding the Fourth Proportional to 624,062.80, 936,094.20 and 372,120.40

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Solution

The fourth proportional to 624,062.80, 936,094.20 and 372,120.40 is: 558,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,062.80 : 936,094.20 = 372,120.40 : x
  2. Step 2: Convert to fraction form
    624,062.80/936,094.20 = 372,120.40/x
  3. Step 3: Cross multiply
    624,062.80x = 936,094.20 × 372,120.40
  4. Step 4: Simplify right side
    624,062.80x = 348,339,748,141.68
  5. Step 5: Solve for x
    x = 348,339,748,141.68/624,062.80
  6. Step 6: Final answer
    x = 558,180.60

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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.