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Finding the Fourth Proportional to 907,066.60, 1,360,796.70 and 275,964

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Solution

The fourth proportional to 907,066.60, 1,360,796.70 and 275,964 is: 414,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,066.60 : 1,360,796.70 = 275,964 : x
  2. Step 2: Convert to fraction form
    907,066.60/1,360,796.70 = 275,964/x
  3. Step 3: Cross multiply
    907,066.60x = 1,360,796.70 × 275,964
  4. Step 4: Simplify right side
    907,066.60x = 375,530,900,518.80
  5. Step 5: Solve for x
    x = 375,530,900,518.80/907,066.60
  6. Step 6: Final answer
    x = 414,005.87

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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.