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Finding the Fourth Proportional to 592,972, 888,720.72 and 260,212.96

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Solution

The fourth proportional to 592,972, 888,720.72 and 260,212.96 is: 389,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,972 : 888,720.72 = 260,212.96 : x
  2. Step 2: Convert to fraction form
    592,972/888,720.72 = 260,212.96/x
  3. Step 3: Cross multiply
    592,972x = 888,720.72 × 260,212.96
  4. Step 4: Simplify right side
    592,972x = 231,256,649,164.53
  5. Step 5: Solve for x
    x = 231,256,649,164.53/592,972
  6. Step 6: Final answer
    x = 389,995.90

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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.