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Finding the Fourth Proportional to 624,293.80, 936,440.70 and 624,293.80

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Solution

The fourth proportional to 624,293.80, 936,440.70 and 624,293.80 is: 936,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,293.80 : 936,440.70 = 624,293.80 : x
  2. Step 2: Convert to fraction form
    624,293.80/936,440.70 = 624,293.80/x
  3. Step 3: Cross multiply
    624,293.80x = 936,440.70 × 624,293.80
  4. Step 4: Simplify right side
    624,293.80x = 584,614,123,077.66
  5. Step 5: Solve for x
    x = 584,614,123,077.66/624,293.80
  6. Step 6: Final answer
    x = 936,440.70

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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.