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Finding the Fourth Proportional to 585,459.88, 876,529.14 and 383,291.44

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Solution

The fourth proportional to 585,459.88, 876,529.14 and 383,291.44 is: 573,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,459.88 : 876,529.14 = 383,291.44 : x
  2. Step 2: Convert to fraction form
    585,459.88/876,529.14 = 383,291.44/x
  3. Step 3: Cross multiply
    585,459.88x = 876,529.14 × 383,291.44
  4. Step 4: Simplify right side
    585,459.88x = 335,966,116,272.56
  5. Step 5: Solve for x
    x = 335,966,116,272.56/585,459.88
  6. Step 6: Final answer
    x = 573,849.94

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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.