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Finding the Fourth Proportional to 647,570.20, 971,355.30 and 606,098.20

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Solution

The fourth proportional to 647,570.20, 971,355.30 and 606,098.20 is: 909,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,570.20 : 971,355.30 = 606,098.20 : x
  2. Step 2: Convert to fraction form
    647,570.20/971,355.30 = 606,098.20/x
  3. Step 3: Cross multiply
    647,570.20x = 971,355.30 × 606,098.20
  4. Step 4: Simplify right side
    647,570.20x = 588,736,698,890.46
  5. Step 5: Solve for x
    x = 588,736,698,890.46/647,570.20
  6. Step 6: Final answer
    x = 909,147.30

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Double scale
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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.