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Finding the Fourth Proportional to 560,558.52, 840,430.45 and 223,498.08

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Solution

The fourth proportional to 560,558.52, 840,430.45 and 223,498.08 is: 335,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,558.52 : 840,430.45 = 223,498.08 : x
  2. Step 2: Convert to fraction form
    560,558.52/840,430.45 = 223,498.08/x
  3. Step 3: Cross multiply
    560,558.52x = 840,430.45 × 223,498.08
  4. Step 4: Simplify right side
    560,558.52x = 187,834,591,948.54
  5. Step 5: Solve for x
    x = 187,834,591,948.54/560,558.52
  6. Step 6: Final answer
    x = 335,084.72

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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.