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Finding the Fourth Proportional to 472,409.70, 708,614.55 and 454,038.90

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Solution

The fourth proportional to 472,409.70, 708,614.55 and 454,038.90 is: 681,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,409.70 : 708,614.55 = 454,038.90 : x
  2. Step 2: Convert to fraction form
    472,409.70/708,614.55 = 454,038.90/x
  3. Step 3: Cross multiply
    472,409.70x = 708,614.55 × 454,038.90
  4. Step 4: Simplify right side
    472,409.70x = 321,738,570,806.00
  5. Step 5: Solve for x
    x = 321,738,570,806.00/472,409.70
  6. Step 6: Final answer
    x = 681,058.35

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Similar ratio
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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.