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Finding the Fourth Proportional to 624,279.30, 936,418.95 and 624,279.30

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Solution

The fourth proportional to 624,279.30, 936,418.95 and 624,279.30 is: 936,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,279.30 : 936,418.95 = 624,279.30 : x
  2. Step 2: Convert to fraction form
    624,279.30/936,418.95 = 624,279.30/x
  3. Step 3: Cross multiply
    624,279.30x = 936,418.95 × 624,279.30
  4. Step 4: Simplify right side
    624,279.30x = 584,586,966,612.74
  5. Step 5: Solve for x
    x = 584,586,966,612.74/624,279.30
  6. Step 6: Final answer
    x = 936,418.95

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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.