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Finding the Fourth Proportional to 624,002.70, 936,004.05 and 384,501.90

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Solution

The fourth proportional to 624,002.70, 936,004.05 and 384,501.90 is: 576,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,002.70 : 936,004.05 = 384,501.90 : x
  2. Step 2: Convert to fraction form
    624,002.70/936,004.05 = 384,501.90/x
  3. Step 3: Cross multiply
    624,002.70x = 936,004.05 × 384,501.90
  4. Step 4: Simplify right side
    624,002.70x = 359,895,335,632.70
  5. Step 5: Solve for x
    x = 359,895,335,632.70/624,002.70
  6. Step 6: Final answer
    x = 576,752.85

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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.