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Finding the Fourth Proportional to 606,966.20, 910,362.90 and 207,625.40

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Solution

The fourth proportional to 606,966.20, 910,362.90 and 207,625.40 is: 311,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,966.20 : 910,362.90 = 207,625.40 : x
  2. Step 2: Convert to fraction form
    606,966.20/910,362.90 = 207,625.40/x
  3. Step 3: Cross multiply
    606,966.20x = 910,362.90 × 207,625.40
  4. Step 4: Simplify right side
    606,966.20x = 189,014,461,257.66
  5. Step 5: Solve for x
    x = 189,014,461,257.66/606,966.20
  6. Step 6: Final answer
    x = 311,408.55

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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.