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Finding the Fourth Proportional to 560,267.79, 840,237.65 and 223,196.41

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Solution

The fourth proportional to 560,267.79, 840,237.65 and 223,196.41 is: 334,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,267.79 : 840,237.65 = 223,196.41 : x
  2. Step 2: Convert to fraction form
    560,267.79/840,237.65 = 223,196.41/x
  3. Step 3: Cross multiply
    560,267.79x = 840,237.65 × 223,196.41
  4. Step 4: Simplify right side
    560,267.79x = 187,538,029,053.62
  5. Step 5: Solve for x
    x = 187,538,029,053.62/560,267.79
  6. Step 6: Final answer
    x = 334,729.27

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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.