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Finding the Fourth Proportional to 624,604.92, 936,907.26 and 340,534.35

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Solution

The fourth proportional to 624,604.92, 936,907.26 and 340,534.35 is: 510,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,604.92 : 936,907.26 = 340,534.35 : x
  2. Step 2: Convert to fraction form
    624,604.92/936,907.26 = 340,534.35/x
  3. Step 3: Cross multiply
    624,604.92x = 936,907.26 × 340,534.35
  4. Step 4: Simplify right side
    624,604.92x = 319,049,104,794.38
  5. Step 5: Solve for x
    x = 319,049,104,794.38/624,604.92
  6. Step 6: Final answer
    x = 510,801.46

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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.