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Finding the Fourth Proportional to 592,842.80, 889,847.40 and 293,661.20

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Solution

The fourth proportional to 592,842.80, 889,847.40 and 293,661.20 is: 440,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,842.80 : 889,847.40 = 293,661.20 : x
  2. Step 2: Convert to fraction form
    592,842.80/889,847.40 = 293,661.20/x
  3. Step 3: Cross multiply
    592,842.80x = 889,847.40 × 293,661.20
  4. Step 4: Simplify right side
    592,842.80x = 261,313,655,300.88
  5. Step 5: Solve for x
    x = 261,313,655,300.88/592,842.80
  6. Step 6: Final answer
    x = 440,780.68

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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.