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Finding the Fourth Proportional to 583,019.73, 873,866.21 and 354,811.91

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Solution

The fourth proportional to 583,019.73, 873,866.21 and 354,811.91 is: 531,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,019.73 : 873,866.21 = 354,811.91 : x
  2. Step 2: Convert to fraction form
    583,019.73/873,866.21 = 354,811.91/x
  3. Step 3: Cross multiply
    583,019.73x = 873,866.21 × 354,811.91
  4. Step 4: Simplify right side
    583,019.73x = 310,058,132,911.17
  5. Step 5: Solve for x
    x = 310,058,132,911.17/583,019.73
  6. Step 6: Final answer
    x = 531,814.13

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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.