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Finding the Fourth Proportional to 539,562.40, 808,695.60 and 223,856.80

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Solution

The fourth proportional to 539,562.40, 808,695.60 and 223,856.80 is: 335,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,562.40 : 808,695.60 = 223,856.80 : x
  2. Step 2: Convert to fraction form
    539,562.40/808,695.60 = 223,856.80/x
  3. Step 3: Cross multiply
    539,562.40x = 808,695.60 × 223,856.80
  4. Step 4: Simplify right side
    539,562.40x = 181,032,009,190.08
  5. Step 5: Solve for x
    x = 181,032,009,190.08/539,562.40
  6. Step 6: Final answer
    x = 335,516.35

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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.