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Finding the Fourth Proportional to 624,052.60, 936,078.90 and 519,076.60

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Solution

The fourth proportional to 624,052.60, 936,078.90 and 519,076.60 is: 778,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,052.60 : 936,078.90 = 519,076.60 : x
  2. Step 2: Convert to fraction form
    624,052.60/936,078.90 = 519,076.60/x
  3. Step 3: Cross multiply
    624,052.60x = 936,078.90 × 519,076.60
  4. Step 4: Simplify right side
    624,052.60x = 485,896,652,743.74
  5. Step 5: Solve for x
    x = 485,896,652,743.74/624,052.60
  6. Step 6: Final answer
    x = 778,614.90

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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.