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Finding the Fourth Proportional to 560,266.88, 840,407.63 and 186,289.88

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Solution

The fourth proportional to 560,266.88, 840,407.63 and 186,289.88 is: 279,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,266.88 : 840,407.63 = 186,289.88 : x
  2. Step 2: Convert to fraction form
    560,266.88/840,407.63 = 186,289.88/x
  3. Step 3: Cross multiply
    560,266.88x = 840,407.63 × 186,289.88
  4. Step 4: Simplify right side
    560,266.88x = 156,559,431,410.30
  5. Step 5: Solve for x
    x = 156,559,431,410.30/560,266.88
  6. Step 6: Final answer
    x = 279,437.24

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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.