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Finding the Fourth Proportional to 647,030.90, 970,546.35 and 410,834.90

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Solution

The fourth proportional to 647,030.90, 970,546.35 and 410,834.90 is: 616,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,030.90 : 970,546.35 = 410,834.90 : x
  2. Step 2: Convert to fraction form
    647,030.90/970,546.35 = 410,834.90/x
  3. Step 3: Cross multiply
    647,030.90x = 970,546.35 × 410,834.90
  4. Step 4: Simplify right side
    647,030.90x = 398,734,312,647.62
  5. Step 5: Solve for x
    x = 398,734,312,647.62/647,030.90
  6. Step 6: Final answer
    x = 616,252.35

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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.