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Finding the Fourth Proportional to 581,809.52, 871,314.60 and 331,733.36

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Solution

The fourth proportional to 581,809.52, 871,314.60 and 331,733.36 is: 496,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,809.52 : 871,314.60 = 331,733.36 : x
  2. Step 2: Convert to fraction form
    581,809.52/871,314.60 = 331,733.36/x
  3. Step 3: Cross multiply
    581,809.52x = 871,314.60 × 331,733.36
  4. Step 4: Simplify right side
    581,809.52x = 289,044,119,875.06
  5. Step 5: Solve for x
    x = 289,044,119,875.06/581,809.52
  6. Step 6: Final answer
    x = 496,801.98

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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.