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Finding the Fourth Proportional to 606,989.60, 910,848.90 and 251,966.60

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Solution

The fourth proportional to 606,989.60, 910,848.90 and 251,966.60 is: 378,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.60 : 910,848.90 = 251,966.60 : x
  2. Step 2: Convert to fraction form
    606,989.60/910,848.90 = 251,966.60/x
  3. Step 3: Cross multiply
    606,989.60x = 910,848.90 × 251,966.60
  4. Step 4: Simplify right side
    606,989.60x = 229,503,500,446.74
  5. Step 5: Solve for x
    x = 229,503,500,446.74/606,989.60
  6. Step 6: Final answer
    x = 378,101.21

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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.