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Finding the Fourth Proportional to 3,267,658.20, 4,579,445.40 and 3,267,658.20

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Solution

The fourth proportional to 3,267,658.20, 4,579,445.40 and 3,267,658.20 is: 4,579,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267,658.20 : 4,579,445.40 = 3,267,658.20 : x
  2. Step 2: Convert to fraction form
    3,267,658.20/4,579,445.40 = 3,267,658.20/x
  3. Step 3: Cross multiply
    3,267,658.20x = 4,579,445.40 × 3,267,658.20
  4. Step 4: Simplify right side
    3,267,658.20x = 14,964,062,312,762.28
  5. Step 5: Solve for x
    x = 14,964,062,312,762.28/3,267,658.20
  6. Step 6: Final answer
    x = 4,579,445.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.