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Finding the Fourth Proportional to 624,165.60, 935,019.60 and 579,928.80

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Solution

The fourth proportional to 624,165.60, 935,019.60 and 579,928.80 is: 868,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,165.60 : 935,019.60 = 579,928.80 : x
  2. Step 2: Convert to fraction form
    624,165.60/935,019.60 = 579,928.80/x
  3. Step 3: Cross multiply
    624,165.60x = 935,019.60 × 579,928.80
  4. Step 4: Simplify right side
    624,165.60x = 542,244,794,604.48
  5. Step 5: Solve for x
    x = 542,244,794,604.48/624,165.60
  6. Step 6: Final answer
    x = 868,751.49

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Double scale
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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.